Subtract 72/28 from 10/2
1st number: 5 0/2, 2nd number: 2 16/28
10/2 - 72/28 is 17/7.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 28 is 28
Next, find the equivalent fraction of both fractional numbers with denominator 28 - For the 1st fraction, since 2 × 14 = 28,
10/2 = 10 × 14/2 × 14 = 140/28 - Likewise, for the 2nd fraction, since 28 × 1 = 28,
72/28 = 72 × 1/28 × 1 = 72/28 - Subtract the two like fractions:
140/28 - 72/28 = 140 - 72/28 = 68/28 - After reducing the fraction, the answer is 17/7
- In mixed form: 23/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/2-72/28 10/4-72/28 10/2-72/56 30/2-72/28 10/6-72/28 10/2-72/84 50/2-72/28 70/2-72/28 10/14-72/28