Subtract 9/20 from 60/7
1st number: 8 4/7, 2nd number: 9/20
60/7 - 9/20 is 1137/140.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 20 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 7 × 20 = 140,
60/7 = 60 × 20/7 × 20 = 1200/140 - Likewise, for the 2nd fraction, since 20 × 7 = 140,
9/20 = 9 × 7/20 × 7 = 63/140 - Subtract the two like fractions:
1200/140 - 63/140 = 1200 - 63/140 = 1137/140 - In mixed form: 817/140
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/7-18/20 60/14-9/20 60/7-9/40 60/7-27/20 60/21-9/20 60/7-9/60 60/7-45/20 60/35-9/20 60/7-63/20 60/49-9/20