Subtract 21/9 from 2/60
1st number: 2/60, 2nd number: 2 3/9
2/60 - 21/9 is -23/10.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 9 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 9 × 20 = 180,
21/9 = 21 × 20/9 × 20 = 420/180 - Subtract the two like fractions:
6/180 - 420/180 = 6 - 420/180 = -414/180 - After reducing the fraction, the answer is -23/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/60-21/9 2/60-42/9 2/60-21/18 6/60-21/9 2/60-63/9 2/60-21/27 10/60-21/9 2/60-21/45 14/60-21/9 2/60-21/63