Subtract 42/8 from 35/49
1st number: 35/49, 2nd number: 5 2/8
35/49 - 42/8 is -127/28.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 49 and 8 is 392
Next, find the equivalent fraction of both fractional numbers with denominator 392 - For the 1st fraction, since 49 × 8 = 392,
35/49 = 35 × 8/49 × 8 = 280/392 - Likewise, for the 2nd fraction, since 8 × 49 = 392,
42/8 = 42 × 49/8 × 49 = 2058/392 - Subtract the two like fractions:
280/392 - 2058/392 = 280 - 2058/392 = -1778/392 - After reducing the fraction, the answer is -127/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/49-42/8 35/49-84/8 35/98-42/8 35/49-42/16 35/49-42/24 35/49-42/40 35/49-42/56