Answers

Subtract 48/54 from 15/8

1^st number: 1 7/8, 2^nd number: 48/54

15/8 - 48/54 is 71/72.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 8 and 54 is 216
   
   Next, find the equivalent fraction of both fractional numbers with denominator 216
2. For the 1st fraction, since 8 × 27 = 216,
   15/8 = 15 × 27/8 × 27 = 405/216
3. Likewise, for the 2nd fraction, since 54 × 4 = 216,
   48/54 = 48 × 4/54 × 4 = 192/216
4. Subtract the two like fractions:
   405/216 - 192/216 = 405 - 192/216 = 213/216
5. After reducing the fraction, the answer is 71/72

MathStep (Works offline)

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

Related: ³⁰/₈-⁴⁸/₅₄ ¹⁵/₈-⁹⁶/₅₄ ¹⁵/₁₆-⁴⁸/₅₄ ⁴⁵/₈-⁴⁸/₅₄ ¹⁵/₂₄-⁴⁸/₅₄ ⁷⁵/₈-⁴⁸/₅₄ ¹⁵/₄₀-⁴⁸/₅₄ ¹⁵/₅₆-⁴⁸/₅₄

Subtract Fractions Calculator