Subtract 12/28 from 10/5
1st number: 2 0/5, 2nd number: 12/28
10/5 - 12/28 is 11/7.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 28 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 5 × 28 = 140,
10/5 = 10 × 28/5 × 28 = 280/140 - Likewise, for the 2nd fraction, since 28 × 5 = 140,
12/28 = 12 × 5/28 × 5 = 60/140 - Subtract the two like fractions:
280/140 - 60/140 = 280 - 60/140 = 220/140 - After reducing the fraction, the answer is 11/7
- In mixed form: 14/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/5-12/28 10/5-24/28 10/5-12/56 30/5-12/28 10/5-36/28 10/15-12/28 10/5-12/84 50/5-12/28 10/5-60/28 10/25-12/28 70/5-12/28 10/5-84/28 10/35-12/28