Subtract 98/8 from 12/7
1st number: 1 5/7, 2nd number: 12 2/8
12/7 - 98/8 is -295/28.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 8 is 56
Next, find the equivalent fraction of both fractional numbers with denominator 56 - For the 1st fraction, since 7 × 8 = 56,
12/7 = 12 × 8/7 × 8 = 96/56 - Likewise, for the 2nd fraction, since 8 × 7 = 56,
98/8 = 98 × 7/8 × 7 = 686/56 - Subtract the two like fractions:
96/56 - 686/56 = 96 - 686/56 = -590/56 - After reducing the fraction, the answer is -295/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/7-98/8 12/14-98/8 12/7-98/16 36/7-98/8 12/21-98/8 12/7-98/24 60/7-98/8 12/35-98/8 12/7-98/40 84/7-98/8 12/49-98/8 12/7-98/56