Subtract 21/54 from 50/48
1st number: 1 2/48, 2nd number: 21/54
50/48 - 21/54 is 47/72.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 48 and 54 is 432
Next, find the equivalent fraction of both fractional numbers with denominator 432 - For the 1st fraction, since 48 × 9 = 432,
50/48 = 50 × 9/48 × 9 = 450/432 - Likewise, for the 2nd fraction, since 54 × 8 = 432,
21/54 = 21 × 8/54 × 8 = 168/432 - Subtract the two like fractions:
450/432 - 168/432 = 450 - 168/432 = 282/432 - After reducing the fraction, the answer is 47/72
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/48-42/54 50/96-21/54 50/48-63/54