Subtract 60/20 from 28/14
1st number: 2 0/14, 2nd number: 3 0/20
28/14 - 60/20 is -1/1.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 20 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 14 × 10 = 140,
28/14 = 28 × 10/14 × 10 = 280/140 - Likewise, for the 2nd fraction, since 20 × 7 = 140,
60/20 = 60 × 7/20 × 7 = 420/140 - Subtract the two like fractions:
280/140 - 420/140 = 280 - 420/140 = -140/140 - After reducing the fraction, the answer is -1/1
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/14-60/20 28/14-60/40 84/14-60/20 28/42-60/20 28/70-60/20 28/98-60/20