Answers

Subtract 6/12 from 75/54

1^st number: 1 21/54, 2^nd number: 6/12

75/54 - 6/12 is 8/9.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 54 and 12 is 108
   
   Next, find the equivalent fraction of both fractional numbers with denominator 108
2. For the 1st fraction, since 54 × 2 = 108,
   75/54 = 75 × 2/54 × 2 = 150/108
3. Likewise, for the 2nd fraction, since 12 × 9 = 108,
   6/12 = 6 × 9/12 × 9 = 54/108
4. Subtract the two like fractions:
   150/108 - 54/108 = 150 - 54/108 = 96/108
5. After reducing the fraction, the answer is 8/9

MathStep (Works offline)

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

Related: ⁷⁵/₅₄-⁶/₂₄ ⁷⁵/₅₄-¹⁸/₁₂ ⁷⁵/₅₄-⁶/₃₆ ⁷⁵/₅₄-³⁰/₁₂ ⁷⁵/₅₄-⁶/₆₀ ⁷⁵/₅₄-⁴²/₁₂ ⁷⁵/₅₄-⁶/₈₄

Subtract Fractions Calculator