Subtract 7/42 from 6/48
6/48 - 7/42 is -1/24.
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,
6/48 = 6 × 7/48 × 7 = 42/336 - Likewise, for the 2nd fraction, since 42 × 8 = 336,
7/42 = 7 × 8/42 × 8 = 56/336 - Subtract the two like fractions:
42/336 - 56/336 = 42 - 56/336 = -14/336 - After reducing the fraction, the answer is -1/24
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/48-7/42 6/48-14/42 6/96-7/42 6/48-7/84 18/48-7/42 6/48-21/42 30/48-7/42 6/48-35/42 42/48-7/42 6/48-49/42