Subtract 60/7 from 20/8
1st number: 2 4/8, 2nd number: 8 4/7
20/8 - 60/7 is -85/14.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 7 is 56
Next, find the equivalent fraction of both fractional numbers with denominator 56 - For the 1st fraction, since 8 × 7 = 56,
20/8 = 20 × 7/8 × 7 = 140/56 - Likewise, for the 2nd fraction, since 7 × 8 = 56,
60/7 = 60 × 8/7 × 8 = 480/56 - Subtract the two like fractions:
140/56 - 480/56 = 140 - 480/56 = -340/56 - After reducing the fraction, the answer is -85/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/8-60/7 20/16-60/7 20/8-60/14 60/8-60/7 20/24-60/7 20/8-60/21 20/40-60/7 20/8-60/35 20/56-60/7 20/8-60/49