Answers

Subtract 16/21 from 15/14

1^st number: 1 1/14, 2^nd number: 16/21

15/14 - 16/21 is 13/42.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 14 and 21 is 42
   
   Next, find the equivalent fraction of both fractional numbers with denominator 42
2. For the 1st fraction, since 14 × 3 = 42,
   15/14 = 15 × 3/14 × 3 = 45/42
3. Likewise, for the 2nd fraction, since 21 × 2 = 42,
   16/21 = 16 × 2/21 × 2 = 32/42
4. Subtract the two like fractions:
   45/42 - 32/42 = 45 - 32/42 = 13/42

MathStep (Works offline)

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

Related: ³⁰/₁₄-¹⁶/₂₁ ¹⁵/₁₄-³²/₂₁ ¹⁵/₂₈-¹⁶/₂₁ ¹⁵/₁₄-¹⁶/₄₂ ⁴⁵/₁₄-¹⁶/₂₁ ¹⁵/₁₄-⁴⁸/₂₁ ¹⁵/₄₂-¹⁶/₂₁ ¹⁵/₁₄-¹⁶/₆₃ ⁷⁵/₁₄-¹⁶/₂₁ ¹⁵/₁₄-⁸⁰/₂₁ ¹⁵/₇₀-¹⁶/₂₁ ¹⁵/₉₈-¹⁶/₂₁

Subtract Fractions Calculator