Subtract 36/42 from 25/18
1st number: 1 7/18, 2nd number: 36/42
25/18 - 36/42 is 67/126.
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,
25/18 = 25 × 7/18 × 7 = 175/126 - Likewise, for the 2nd fraction, since 42 × 3 = 126,
36/42 = 36 × 3/42 × 3 = 108/126 - Subtract the two like fractions:
175/126 - 108/126 = 175 - 108/126 = 67/126
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/18-36/42 25/18-72/42 25/36-36/42 25/18-36/84 75/18-36/42 25/54-36/42 25/90-36/42