Subtract 60/7 from 63/20
1st number: 3 3/20, 2nd number: 8 4/7
63/20 - 60/7 is -759/140.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 7 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 20 × 7 = 140,
63/20 = 63 × 7/20 × 7 = 441/140 - Likewise, for the 2nd fraction, since 7 × 20 = 140,
60/7 = 60 × 20/7 × 20 = 1200/140 - Subtract the two like fractions:
441/140 - 1200/140 = 441 - 1200/140 = -759/140
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/40-60/7 63/20-60/14 63/60-60/7 63/20-60/21 63/20-60/35 63/20-60/49