Subtract 27/16 from 30/56
1st number: 30/56, 2nd number: 1 11/16
30/56 - 27/16 is -129/112.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 16 is 112
Next, find the equivalent fraction of both fractional numbers with denominator 112 - For the 1st fraction, since 56 × 2 = 112,
30/56 = 30 × 2/56 × 2 = 60/112 - Likewise, for the 2nd fraction, since 16 × 7 = 112,
27/16 = 27 × 7/16 × 7 = 189/112 - Subtract the two like fractions:
60/112 - 189/112 = 60 - 189/112 = -129/112
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/56-27/16 30/56-54/16 30/56-27/32 90/56-27/16 30/56-81/16 30/56-27/48 30/56-27/80