Answers

Subtract 27/7 from 80/9

1^st number: 8 8/9, 2^nd number: 3 6/7

80/9 - 27/7 is 317/63.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 9 and 7 is 63
   
   Next, find the equivalent fraction of both fractional numbers with denominator 63
2. For the 1st fraction, since 9 × 7 = 63,
   80/9 = 80 × 7/9 × 7 = 560/63
3. Likewise, for the 2nd fraction, since 7 × 9 = 63,
   27/7 = 27 × 9/7 × 9 = 243/63
4. Subtract the two like fractions:
   560/63 - 243/63 = 560 - 243/63 = 317/63
5. In mixed form: 52/63

MathStep (Works offline)

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

Related: ⁸⁰/₉-⁵⁴/₇ ⁸⁰/₁₈-²⁷/₇ ⁸⁰/₉-²⁷/₁₄ ⁸⁰/₉-⁸¹/₇ ⁸⁰/₂₇-²⁷/₇ ⁸⁰/₉-²⁷/₂₁ ⁸⁰/₄₅-²⁷/₇ ⁸⁰/₉-²⁷/₃₅ ⁸⁰/₆₃-²⁷/₇ ⁸⁰/₉-²⁷/₄₉

Subtract Fractions Calculator