Subtract 60/7 from 12/20
1st number: 12/20, 2nd number: 8 4/7
12/20 - 60/7 is -279/35.
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,
12/20 = 12 × 7/20 × 7 = 84/140 - Likewise, for the 2nd fraction, since 7 × 20 = 140,
60/7 = 60 × 20/7 × 20 = 1200/140 - Subtract the two like fractions:
84/140 - 1200/140 = 84 - 1200/140 = -1116/140 - After reducing the fraction, the answer is -279/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/20-60/7 12/40-60/7 12/20-60/14 36/20-60/7 12/60-60/7 12/20-60/21 60/20-60/7 12/20-60/35 84/20-60/7 12/20-60/49