Subtract 7/90 from 2/60
2/60 - 7/90 is -2/45.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 90 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 60 × 3 = 180,
2/60 = 2 × 3/60 × 3 = 6/180 - Likewise, for the 2nd fraction, since 90 × 2 = 180,
7/90 = 7 × 2/90 × 2 = 14/180 - Subtract the two like fractions:
6/180 - 14/180 = 6 - 14/180 = -8/180 - After reducing the fraction, the answer is -2/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/60-7/90 2/60-14/90 6/60-7/90 2/60-21/90 10/60-7/90 2/60-35/90 14/60-7/90 2/60-49/90