Answers

Subtract 96/49 from 21/28

1^st number: 21/28, 2^nd number: 1 47/49

21/28 - 96/49 is -237/196.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 28 and 49 is 196
   
   Next, find the equivalent fraction of both fractional numbers with denominator 196
2. For the 1st fraction, since 28 × 7 = 196,
   21/28 = 21 × 7/28 × 7 = 147/196
3. Likewise, for the 2nd fraction, since 49 × 4 = 196,
   96/49 = 96 × 4/49 × 4 = 384/196
4. Subtract the two like fractions:
   147/196 - 384/196 = 147 - 384/196 = -237/196

MathStep (Works offline)

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

Related: ⁴²/₂₈-⁹⁶/₄₉ ²¹/₅₆-⁹⁶/₄₉ ²¹/₂₈-⁹⁶/₉₈ ⁶³/₂₈-⁹⁶/₄₉ ²¹/₈₄-⁹⁶/₄₉

Subtract Fractions Calculator