Subtract 12/28 from 3/60
3/60 - 12/28 is -53/140.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 28 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 60 × 7 = 420,
3/60 = 3 × 7/60 × 7 = 21/420 - Likewise, for the 2nd fraction, since 28 × 15 = 420,
12/28 = 12 × 15/28 × 15 = 180/420 - Subtract the two like fractions:
21/420 - 180/420 = 21 - 180/420 = -159/420 - After reducing the fraction, the answer is -53/140
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/60-12/28 3/60-24/28 3/60-12/56 9/60-12/28 3/60-36/28 3/60-12/84 15/60-12/28 3/60-60/28 21/60-12/28 3/60-84/28