Answers

Subtract 49/32 from 42/54

1^st number: 42/54, 2^nd number: 1 17/32

42/54 - 49/32 is -217/288.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 54 and 32 is 864
   
   Next, find the equivalent fraction of both fractional numbers with denominator 864
2. For the 1st fraction, since 54 × 16 = 864,
   42/54 = 42 × 16/54 × 16 = 672/864
3. Likewise, for the 2nd fraction, since 32 × 27 = 864,
   49/32 = 49 × 27/32 × 27 = 1323/864
4. Subtract the two like fractions:
   672/864 - 1323/864 = 672 - 1323/864 = -651/864
5. After reducing the fraction, the answer is -217/288

MathStep (Works offline)

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

Related: ⁸⁴/₅₄-⁴⁹/₃₂ ⁴²/₅₄-⁹⁸/₃₂ ⁴²/₅₄-⁴⁹/₆₄ ⁴²/₅₄-⁴⁹/₉₆

Subtract Fractions Calculator