Subtract 21/6 from 60/18
1st number: 3 6/18, 2nd number: 3 3/6
60/18 - 21/6 is -1/6.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 6 is 18
Next, find the equivalent fraction of both fractional numbers with denominator 18 - For the 1st fraction, since 18 × 1 = 18,
60/18 = 60 × 1/18 × 1 = 60/18 - Likewise, for the 2nd fraction, since 6 × 3 = 18,
21/6 = 21 × 3/6 × 3 = 63/18 - Subtract the two like fractions:
60/18 - 63/18 = 60 - 63/18 = -3/18 - After reducing the fraction, the answer is -1/6
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/18-42/6 60/36-21/6 60/18-21/12 60/18-63/6 60/54-21/6 60/18-21/18 60/90-21/6 60/18-21/30 60/18-21/42