Subtract 15/42 from 60/18
1st number: 3 6/18, 2nd number: 15/42
60/18 - 15/42 is 125/42.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 42 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 42 × 3 = 126,
15/42 = 15 × 3/42 × 3 = 45/126 - Subtract the two like fractions:
420/126 - 45/126 = 420 - 45/126 = 375/126 - After reducing the fraction, the answer is 125/42
- In mixed form: 241/42
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/18-30/42 60/36-15/42 60/18-15/84 60/18-45/42 60/54-15/42 60/18-75/42 60/90-15/42