Subtract 7/48 from 32/42
32/42 - 7/48 is 69/112.
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,
32/42 = 32 × 8/42 × 8 = 256/336 - Likewise, for the 2nd fraction, since 48 × 7 = 336,
7/48 = 7 × 7/48 × 7 = 49/336 - Subtract the two like fractions:
256/336 - 49/336 = 256 - 49/336 = 207/336 - After reducing the fraction, the answer is 69/112
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 64/42-7/48 32/42-14/48 32/84-7/48 32/42-7/96 96/42-7/48 32/42-21/48 32/42-35/48 32/42-49/48