Subtract 9/5 from 10/28
1st number: 10/28, 2nd number: 1 4/5
10/28 - 9/5 is -101/70.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 5 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 28 × 5 = 140,
10/28 = 10 × 5/28 × 5 = 50/140 - Likewise, for the 2nd fraction, since 5 × 28 = 140,
9/5 = 9 × 28/5 × 28 = 252/140 - Subtract the two like fractions:
50/140 - 252/140 = 50 - 252/140 = -202/140 - After reducing the fraction, the answer is -101/70
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/28-9/5 10/28-18/5 10/56-9/5 10/28-9/10 30/28-9/5 10/28-27/5 10/84-9/5 10/28-9/15 50/28-9/5 10/28-45/5 10/28-9/25 70/28-9/5 10/28-63/5 10/28-9/35