Subtract 5/42 from 7/48
7/48 - 5/42 is 3/112.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 48 and 42 is 336
Next, find the equivalent fraction of both fractional numbers with denominator 336 - For the 1st fraction, since 48 × 7 = 336,
7/48 = 7 × 7/48 × 7 = 49/336 - Likewise, for the 2nd fraction, since 42 × 8 = 336,
5/42 = 5 × 8/42 × 8 = 40/336 - Subtract the two like fractions:
49/336 - 40/336 = 49 - 40/336 = 9/336 - After reducing the fraction, the answer is 3/112
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/48-5/42 7/48-10/42 7/96-5/42 7/48-5/84 21/48-5/42 7/48-15/42 35/48-5/42 7/48-25/42 49/48-5/42 7/48-35/42