Subtract 6/54 from 72/28
1st number: 2 16/28, 2nd number: 6/54
72/28 - 6/54 is 155/63.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 54 is 756
Next, find the equivalent fraction of both fractional numbers with denominator 756 - For the 1st fraction, since 28 × 27 = 756,
72/28 = 72 × 27/28 × 27 = 1944/756 - Likewise, for the 2nd fraction, since 54 × 14 = 756,
6/54 = 6 × 14/54 × 14 = 84/756 - Subtract the two like fractions:
1944/756 - 84/756 = 1944 - 84/756 = 1860/756 - After reducing the fraction, the answer is 155/63
- In mixed form: 229/63
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/28-12/54 72/56-6/54 72/28-18/54 72/84-6/54 72/28-30/54 72/28-42/54