Answers

Subtract 63/28 from 25/84

1^st number: 25/84, 2^nd number: 2 7/28

25/84 - 63/28 is -41/21.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 84 and 28 is 84
   
   Next, find the equivalent fraction of both fractional numbers with denominator 84
2. For the 1st fraction, since 84 × 1 = 84,
   25/84 = 25 × 1/84 × 1 = 25/84
3. Likewise, for the 2nd fraction, since 28 × 3 = 84,
   63/28 = 63 × 3/28 × 3 = 189/84
4. Subtract the two like fractions:
   25/84 - 189/84 = 25 - 189/84 = -164/84
5. After reducing the fraction, the answer is -41/21

MathStep (Works offline)

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

Related: ⁵⁰/₈₄-⁶³/₂₈ ²⁵/₈₄-⁶³/₅₆ ⁷⁵/₈₄-⁶³/₂₈ ²⁵/₈₄-⁶³/₈₄

Subtract Fractions Calculator