Subtract 3/20 from 48/7
1st number: 6 6/7, 2nd number: 3/20
48/7 - 3/20 is 939/140.
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,
48/7 = 48 × 20/7 × 20 = 960/140 - Likewise, for the 2nd fraction, since 20 × 7 = 140,
3/20 = 3 × 7/20 × 7 = 21/140 - Subtract the two like fractions:
960/140 - 21/140 = 960 - 21/140 = 939/140 - In mixed form: 699/140
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 96/7-3/20 48/7-6/20 48/14-3/20 48/7-3/40 48/7-9/20 48/21-3/20 48/7-3/60 48/7-15/20 48/35-3/20 48/7-21/20 48/49-3/20