Subtract 35/48 from 4/42
4/42 - 35/48 is -71/112.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 48 is 336
Next, find the equivalent fraction of both fractional numbers with denominator 336 - For the 1st fraction, since 42 × 8 = 336,
4/42 = 4 × 8/42 × 8 = 32/336 - Likewise, for the 2nd fraction, since 48 × 7 = 336,
35/48 = 35 × 7/48 × 7 = 245/336 - Subtract the two like fractions:
32/336 - 245/336 = 32 - 245/336 = -213/336 - After reducing the fraction, the answer is -71/112
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/42-35/48 4/42-70/48 4/84-35/48 4/42-35/96 12/42-35/48 20/42-35/48 28/42-35/48