Subtract 12/54 from 28/48
28/48 - 12/54 is 13/36.
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,
28/48 = 28 × 9/48 × 9 = 252/432 - Likewise, for the 2nd fraction, since 54 × 8 = 432,
12/54 = 12 × 8/54 × 8 = 96/432 - Subtract the two like fractions:
252/432 - 96/432 = 252 - 96/432 = 156/432 - After reducing the fraction, the answer is 13/36
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/48-12/54 28/48-24/54 28/96-12/54 84/48-12/54 28/48-36/54 28/48-60/54 28/48-84/54