Subtract 7/21 from 35/48
35/48 - 7/21 is 19/48.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 48 and 21 is 336
Next, find the equivalent fraction of both fractional numbers with denominator 336 - For the 1st fraction, since 48 × 7 = 336,
35/48 = 35 × 7/48 × 7 = 245/336 - Likewise, for the 2nd fraction, since 21 × 16 = 336,
7/21 = 7 × 16/21 × 16 = 112/336 - Subtract the two like fractions:
245/336 - 112/336 = 245 - 112/336 = 133/336 - After reducing the fraction, the answer is 19/48
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/48-7/21 35/48-14/21 35/96-7/21 35/48-7/42 35/48-7/63 35/48-35/21 35/48-49/21