Answers

Subtract 7/81 from 25/24

1^st number: 1 1/24, 2^nd number: 7/81

25/24 - 7/81 is 619/648.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 24 and 81 is 648
   
   Next, find the equivalent fraction of both fractional numbers with denominator 648
2. For the 1st fraction, since 24 × 27 = 648,
   25/24 = 25 × 27/24 × 27 = 675/648
3. Likewise, for the 2nd fraction, since 81 × 8 = 648,
   7/81 = 7 × 8/81 × 8 = 56/648
4. Subtract the two like fractions:
   675/648 - 56/648 = 675 - 56/648 = 619/648

MathStep (Works offline)

Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad

Related: ⁵⁰/₂₄-⁷/₈₁ ²⁵/₂₄-¹⁴/₈₁ ²⁵/₄₈-⁷/₈₁ ⁷⁵/₂₄-⁷/₈₁ ²⁵/₂₄-²¹/₈₁ ²⁵/₇₂-⁷/₈₁ ²⁵/₂₄-³⁵/₈₁ ²⁵/₂₄-⁴⁹/₈₁

Subtract Fractions Calculator