Subtract 15/24 from 49/42
1st number: 1 7/42, 2nd number: 15/24
49/42 - 15/24 is 13/24.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 24 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 42 × 4 = 168,
49/42 = 49 × 4/42 × 4 = 196/168 - Likewise, for the 2nd fraction, since 24 × 7 = 168,
15/24 = 15 × 7/24 × 7 = 105/168 - Subtract the two like fractions:
196/168 - 105/168 = 196 - 105/168 = 91/168 - After reducing the fraction, the answer is 13/24
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/42-15/24 49/42-30/24 49/84-15/24 49/42-15/48 49/42-45/24 49/42-15/72 49/42-75/24