Mathematics

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Enter the fractions calculation formula directly and click the "Next" button to get the calculation answer.

It does not support mathematical functions (including trigonometric functions) and can only calculate the addition, subtraction, multiplication and division of two fractions. The fraction line is indicated by "/".

Current location：Mathematical operation > History of fraction calculation > Answer

Overview: 1 questions will be solved this time.Among them

☆1 fraction calculations

[ 1/1 Fraction calculation ]

Question type: Fractional subtraction

Original question: 4/5-2/1

Solution:

4 5 | － | 2 |

Divide the least common multiple 5 by the denominator 5 of the minuend to get 1

Multiply the numerator 4 and denominator 5 of the subtracted number by 1

Then divide the least common multiple 5 by the denominator 1 of the subtraction to get 5

Multiply the subtracted numerator 2 and denominator 1 by 5 at the same time

= | 4 5 | － | 10 5 |

= | - | 6 5 |