Answers

Subtract 75/16 from 42/28

1^st number: 1 14/28, 2^nd number: 4 11/16

42/28 - 75/16 is -51/16.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 28 and 16 is 112
   
   Next, find the equivalent fraction of both fractional numbers with denominator 112
2. For the 1st fraction, since 28 × 4 = 112,
   42/28 = 42 × 4/28 × 4 = 168/112
3. Likewise, for the 2nd fraction, since 16 × 7 = 112,
   75/16 = 75 × 7/16 × 7 = 525/112
4. Subtract the two like fractions:
   168/112 - 525/112 = 168 - 525/112 = -357/112
5. After reducing the fraction, the answer is -51/16

MathStep (Works offline)

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

Related: ⁸⁴/₂₈-⁷⁵/₁₆ ⁴²/₅₆-⁷⁵/₁₆ ⁴²/₂₈-⁷⁵/₃₂ ⁴²/₈₄-⁷⁵/₁₆ ⁴²/₂₈-⁷⁵/₄₈ ⁴²/₂₈-⁷⁵/₈₀

Subtract Fractions Calculator