Subtract 21/36 from 7/60
7/60 - 21/36 is -7/15.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 36 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 60 × 3 = 180,
7/60 = 7 × 3/60 × 3 = 21/180 - Likewise, for the 2nd fraction, since 36 × 5 = 180,
21/36 = 21 × 5/36 × 5 = 105/180 - Subtract the two like fractions:
21/180 - 105/180 = 21 - 105/180 = -84/180 - After reducing the fraction, the answer is -7/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/60-21/36 7/60-42/36 7/60-21/72 21/60-21/36 7/60-63/36 35/60-21/36 49/60-21/36