Subtract 4/12 from 54/28
1st number: 1 26/28, 2nd number: 4/12
54/28 - 4/12 is 67/42.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 12 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 28 × 3 = 84,
54/28 = 54 × 3/28 × 3 = 162/84 - Likewise, for the 2nd fraction, since 12 × 7 = 84,
4/12 = 4 × 7/12 × 7 = 28/84 - Subtract the two like fractions:
162/84 - 28/84 = 162 - 28/84 = 134/84 - After reducing the fraction, the answer is 67/42
- In mixed form: 125/42
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/28-8/12 54/56-4/12 54/28-4/24 54/84-4/12 54/28-4/36 54/28-20/12 54/28-4/60 54/28-28/12 54/28-4/84