Subtract 6/21 from 60/18
1st number: 3 6/18, 2nd number: 6/21
60/18 - 6/21 is 64/21.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 21 is 126
Next, find the equivalent fraction of both fractional numbers with denominator 126 - For the 1st fraction, since 18 × 7 = 126,
60/18 = 60 × 7/18 × 7 = 420/126 - Likewise, for the 2nd fraction, since 21 × 6 = 126,
6/21 = 6 × 6/21 × 6 = 36/126 - Subtract the two like fractions:
420/126 - 36/126 = 420 - 36/126 = 384/126 - After reducing the fraction, the answer is 64/21
- In mixed form: 31/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/18-12/21 60/36-6/21 60/18-6/42 60/18-18/21 60/54-6/21 60/18-6/63 60/18-30/21 60/90-6/21 60/18-42/21