Answers

Subtract 8/81 from 16/7

1^st number: 2 2/7, 2^nd number: 8/81

16/7 - 8/81 is 1240/567.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 7 and 81 is 567
   
   Next, find the equivalent fraction of both fractional numbers with denominator 567
2. For the 1st fraction, since 7 × 81 = 567,
   16/7 = 16 × 81/7 × 81 = 1296/567
3. Likewise, for the 2nd fraction, since 81 × 7 = 567,
   8/81 = 8 × 7/81 × 7 = 56/567
4. Subtract the two like fractions:
   1296/567 - 56/567 = 1296 - 56/567 = 1240/567
5. In mixed form: 2106/567

MathStep (Works offline)

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

Related: ³²/₇-⁸/₈₁ ¹⁶/₇-¹⁶/₈₁ ¹⁶/₁₄-⁸/₈₁ ⁴⁸/₇-⁸/₈₁ ¹⁶/₇-²⁴/₈₁ ¹⁶/₂₁-⁸/₈₁ ⁸⁰/₇-⁸/₈₁ ¹⁶/₇-⁴⁰/₈₁ ¹⁶/₃₅-⁸/₈₁ ¹⁶/₇-⁵⁶/₈₁ ¹⁶/₄₉-⁸/₈₁

Subtract Fractions Calculator