Subtract 12/63 from 54/28
1st number: 1 26/28, 2nd number: 12/63
54/28 - 12/63 is 73/42.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 63 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 28 × 9 = 252,
54/28 = 54 × 9/28 × 9 = 486/252 - Likewise, for the 2nd fraction, since 63 × 4 = 252,
12/63 = 12 × 4/63 × 4 = 48/252 - Subtract the two like fractions:
486/252 - 48/252 = 486 - 48/252 = 438/252 - After reducing the fraction, the answer is 73/42
- In mixed form: 131/42
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/28-24/63 54/56-12/63 54/28-36/63 54/84-12/63 54/28-60/63 54/28-84/63