Subtract 18/48 from 35/42
35/42 - 18/48 is 11/24.
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,
35/42 = 35 × 8/42 × 8 = 280/336 - Likewise, for the 2nd fraction, since 48 × 7 = 336,
18/48 = 18 × 7/48 × 7 = 126/336 - Subtract the two like fractions:
280/336 - 126/336 = 280 - 126/336 = 154/336 - After reducing the fraction, the answer is 11/24
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/42-18/48 35/42-36/48 35/84-18/48 35/42-18/96 35/42-54/48 35/42-90/48