Answers

Subtract 15/6 from 72/54

1^st number: 1 18/54, 2^nd number: 2 3/6

72/54 - 15/6 is -7/6.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 54 and 6 is 54
   
   Next, find the equivalent fraction of both fractional numbers with denominator 54
2. For the 1st fraction, since 54 × 1 = 54,
   72/54 = 72 × 1/54 × 1 = 72/54
3. Likewise, for the 2nd fraction, since 6 × 9 = 54,
   15/6 = 15 × 9/6 × 9 = 135/54
4. Subtract the two like fractions:
   72/54 - 135/54 = 72 - 135/54 = -63/54
5. After reducing the fraction, the answer is -7/6

MathStep (Works offline)

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

Related: ⁷²/₅₄-³⁰/₆ ⁷²/₅₄-¹⁵/₁₂ ⁷²/₅₄-⁴⁵/₆ ⁷²/₅₄-¹⁵/₁₈ ⁷²/₅₄-⁷⁵/₆ ⁷²/₅₄-¹⁵/₃₀ ⁷²/₅₄-¹⁵/₄₂

Subtract Fractions Calculator