Decimal calculator

The calculator makes basic and advanced operations with decimals, real numbers and integers. Also shows detailed step-by-step information about calculation procedure. Solve problems with two, three or more decimals in one expression. Add, subtract and multiply decimals step-by-step. This calculator uses addition, subtraction, multiplication or division for calculations on positive or negative decimal numbers, integers, real numbers and whole numbers. This online decimals calculator will help you understand how to add, subtract, multiply or divide decimals.

Calculator follows well-known rules for order of operations. Most common mnemonics for remembering this order of operations are:
PEMDAS - Parentheses, Exponents, Multiplication, Division, Addition, Subtraction.
BEDMAS - Brackets, Exponents, Division, Multiplication, Addition, Subtraction
BODMAS - Brackets, Of or Order, Division, Multiplication, Addition, Subtraction.
GEMDAS - Grouping Symbols - brackets (){}, Exponents, Multiplication, Division, Addition, Subtraction.
Be careful, always do multiplication and division before addition and subtraction. Some operators (+ and -) and (* and /) has the same priority and then must evaluate from left to right.


addition of decimals: -1.5 + 2.45
multiplying decimals: 0.25 * 0.2
division of a decimals: 5.2 / 0.5
parenthesis: 3 + 7{4 + 3[2-(8 - 4)×3] + 5}×2
2nd power and order of evaluation: 6^2-(2*7+4^2)
cube root: cuberoot(27)
Convert fraction to a decimal: 3/4
decimals and mixed numbers: 1.5 - 1 1/5

Decimals in word problems:

  • Reduce to lowest terms
    fractions_16 Reduce to lowest terms : 32/124
  • Tenths digit
    numbers2 For 10.932, which digit is in the tenths place?
  • Ratio
    pomer Increase in the ratio 20:4 number 18.5.
  • Ratio v2
    pomer Decrease in the ratio 12:16 number 13.2.
  • Whole numbers
    fractal_7 Pavol wrote down a number that is both rational and a whole number. What is one possible number she could have written down?
  • Package
    latky The package was 23 meters of textile. The first day sold 12.3 meters. How many meters of textile remained in the package?
  • Rolls
    rohliky Mom bought 13 rolls. Dad ate 3.5 rolls. How many rolls left when Peter yet put two at dinner?
  • On the trip
    skola_17 On the trip were more than 55 children, but less than 65 children. Groups of 7 could be formed, but groups of 8 no. How many children were on a trip?
  • Strange x
    pie For what x is true ??
  • Bureaucracy
    bureaucrat The office was attended by 23 people. 9 of them completed the questionnaire. What is the percentage of all people?
  • Homework
    fruit In the crate are 18 plums, 27 apricot and 36 nuts. How many pieces of fruit left in the crate when Peter took 8 ninth: 1. nuts 2. apricots 3. fruit 4. drupe
  • A number
    number_line_4 A number increased by 7.9 is 8.3
  • Mixed numbers
    zlomky_10 Rewrite mixed numbers so the fractions have the same denominator: 5 1/5 - 2 2/3
  • Parcel service
    posta Parcel from U.S. to Slovakia costs 5.3 €. Parcel from Slovakia to the U.S. costs 49 €. Calculate how many times is Slovak Post more expensive than the U.S. parcel service.
  • Arble bag
    jednohubky_1 A marble bag sold by Rachel's Marble Company contains 5 orange marbles for every 6 green marbles. If a bag has 35 orange marbles, how many green marbles does it contain?
  • Percentages and numbers
    20_percent How many percent is number 426 greater than number 71?
  • President
    gasparovic President of Slovakia earns a monthly € 7844 per month. How many times earn than Jimmy's monther salary € 612? 15.3.2014 the presidential election, which decides who will almost effortlessly 5 years to receive such space salary for nothing;)

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