Subtract 49/42 from 6/56
1st number: 6/56, 2nd number: 1 7/42
6/56 - 49/42 is -89/84.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 42 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 56 × 3 = 168,
6/56 = 6 × 3/56 × 3 = 18/168 - Likewise, for the 2nd fraction, since 42 × 4 = 168,
49/42 = 49 × 4/42 × 4 = 196/168 - Subtract the two like fractions:
18/168 - 196/168 = 18 - 196/168 = -178/168 - After reducing the fraction, the answer is -89/84
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/56-49/42 6/56-98/42 6/56-49/84 18/56-49/42 30/56-49/42 42/56-49/42