Subtract 4/18 from 60/21
1st number: 2 18/21, 2nd number: 4/18
60/21 - 4/18 is 166/63.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 18 is 126
Next, find the equivalent fraction of both fractional numbers with denominator 126 - For the 1st fraction, since 21 × 6 = 126,
60/21 = 60 × 6/21 × 6 = 360/126 - Likewise, for the 2nd fraction, since 18 × 7 = 126,
4/18 = 4 × 7/18 × 7 = 28/126 - Subtract the two like fractions:
360/126 - 28/126 = 360 - 28/126 = 332/126 - After reducing the fraction, the answer is 166/63
- In mixed form: 240/63
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/21-8/18 60/42-4/18 60/21-4/36 60/21-12/18 60/63-4/18 60/21-4/54 60/21-20/18 60/21-4/90 60/21-28/18