Subtract 50/48 from 5/21
1st number: 5/21, 2nd number: 1 2/48
5/21 - 50/48 is -45/56.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 48 is 336
Next, find the equivalent fraction of both fractional numbers with denominator 336 - For the 1st fraction, since 21 × 16 = 336,
5/21 = 5 × 16/21 × 16 = 80/336 - Likewise, for the 2nd fraction, since 48 × 7 = 336,
50/48 = 50 × 7/48 × 7 = 350/336 - Subtract the two like fractions:
80/336 - 350/336 = 80 - 350/336 = -270/336 - After reducing the fraction, the answer is -45/56
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/21-50/48 5/42-50/48 5/21-50/96 15/21-50/48 5/63-50/48 25/21-50/48 35/21-50/48