Answers

Subtract 49/54 from 42/8

1^st number: 5 2/8, 2^nd number: 49/54

42/8 - 49/54 is 469/108.

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,
   42/8 = 42 × 27/8 × 27 = 1134/216
3. Likewise, for the 2nd fraction, since 54 × 4 = 216,
   49/54 = 49 × 4/54 × 4 = 196/216
4. Subtract the two like fractions:
   1134/216 - 196/216 = 1134 - 196/216 = 938/216
5. After reducing the fraction, the answer is 469/108
6. In mixed form: 437/108

MathStep (Works offline)

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

Related: ⁸⁴/₈-⁴⁹/₅₄ ⁴²/₈-⁹⁸/₅₄ ⁴²/₁₆-⁴⁹/₅₄ ⁴²/₂₄-⁴⁹/₅₄ ⁴²/₄₀-⁴⁹/₅₄ ⁴²/₅₆-⁴⁹/₅₄

Subtract Fractions Calculator