Answers

Subtract 28/27 from 9/49

1^st number: 9/49, 2^nd number: 1 1/27

9/49 - 28/27 is -1129/1323.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 49 and 27 is 1323
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1323
2. For the 1st fraction, since 49 × 27 = 1323,
   9/49 = 9 × 27/49 × 27 = 243/1323
3. Likewise, for the 2nd fraction, since 27 × 49 = 1323,
   28/27 = 28 × 49/27 × 49 = 1372/1323
4. Subtract the two like fractions:
   243/1323 - 1372/1323 = 243 - 1372/1323 = -1129/1323

MathStep (Works offline)

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

Related: ¹⁸/₄₉-²⁸/₂₇ ⁹/₄₉-⁵⁶/₂₇ ⁹/₉₈-²⁸/₂₇ ⁹/₄₉-²⁸/₅₄ ²⁷/₄₉-²⁸/₂₇ ⁹/₄₉-⁸⁴/₂₇ ⁹/₄₉-²⁸/₈₁ ⁴⁵/₄₉-²⁸/₂₇ ⁶³/₄₉-²⁸/₂₇

Subtract Fractions Calculator