Subtract 42/32 from 27/7
1st number: 3 6/7, 2nd number: 1 10/32
27/7 - 42/32 is 285/112.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 32 is 224
Next, find the equivalent fraction of both fractional numbers with denominator 224 - For the 1st fraction, since 7 × 32 = 224,
27/7 = 27 × 32/7 × 32 = 864/224 - Likewise, for the 2nd fraction, since 32 × 7 = 224,
42/32 = 42 × 7/32 × 7 = 294/224 - Subtract the two like fractions:
864/224 - 294/224 = 864 - 294/224 = 570/224 - After reducing the fraction, the answer is 285/112
- In mixed form: 261/112
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/7-42/32 27/7-84/32 27/14-42/32 27/7-42/64 81/7-42/32 27/21-42/32 27/7-42/96 27/35-42/32 27/49-42/32