Subtract 35/24 from 42/49
1st number: 42/49, 2nd number: 1 11/24
42/49 - 35/24 is -101/168.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 49 and 24 is 1176
Next, find the equivalent fraction of both fractional numbers with denominator 1176 - For the 1st fraction, since 49 × 24 = 1176,
42/49 = 42 × 24/49 × 24 = 1008/1176 - Likewise, for the 2nd fraction, since 24 × 49 = 1176,
35/24 = 35 × 49/24 × 49 = 1715/1176 - Subtract the two like fractions:
1008/1176 - 1715/1176 = 1008 - 1715/1176 = -707/1176 - After reducing the fraction, the answer is -101/168
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/49-35/24 42/49-70/24 42/98-35/24 42/49-35/48 42/49-35/72