Subtract 98/56 from 1/7
1st number: 1/7, 2nd number: 1 42/56
1/7 - 98/56 is -45/28.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 56 is 56
Next, find the equivalent fraction of both fractional numbers with denominator 56 - For the 1st fraction, since 7 × 8 = 56,
1/7 = 1 × 8/7 × 8 = 8/56 - Likewise, for the 2nd fraction, since 56 × 1 = 56,
98/56 = 98 × 1/56 × 1 = 98/56 - Subtract the two like fractions:
8/56 - 98/56 = 8 - 98/56 = -90/56 - After reducing the fraction, the answer is -45/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/7-98/56 1/14-98/56 3/7-98/56 1/21-98/56 5/7-98/56 1/35-98/56 1/49-98/56