Answers

Subtract 42/16 from 10/12

1^st number: 10/12, 2^nd number: 2 10/16

10/12 - 42/16 is -43/24.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 12 and 16 is 48
   
   Next, find the equivalent fraction of both fractional numbers with denominator 48
2. For the 1st fraction, since 12 × 4 = 48,
   10/12 = 10 × 4/12 × 4 = 40/48
3. Likewise, for the 2nd fraction, since 16 × 3 = 48,
   42/16 = 42 × 3/16 × 3 = 126/48
4. Subtract the two like fractions:
   40/48 - 126/48 = 40 - 126/48 = -86/48
5. After reducing the fraction, the answer is -43/24

MathStep (Works offline)

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

Related: ²⁰/₁₂-⁴²/₁₆ ¹⁰/₁₂-⁸⁴/₁₆ ¹⁰/₂₄-⁴²/₁₆ ¹⁰/₁₂-⁴²/₃₂ ³⁰/₁₂-⁴²/₁₆ ¹⁰/₃₆-⁴²/₁₆ ¹⁰/₁₂-⁴²/₄₈ ⁵⁰/₁₂-⁴²/₁₆ ¹⁰/₆₀-⁴²/₁₆ ¹⁰/₁₂-⁴²/₈₀ ⁷⁰/₁₂-⁴²/₁₆ ¹⁰/₈₄-⁴²/₁₆

Subtract Fractions Calculator