Subtract 1/5 from 35/28
1st number: 1 7/28, 2nd number: 1/5
35/28 - 1/5 is 21/20.
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,
35/28 = 35 × 5/28 × 5 = 175/140 - Likewise, for the 2nd fraction, since 5 × 28 = 140,
1/5 = 1 × 28/5 × 28 = 28/140 - Subtract the two like fractions:
175/140 - 28/140 = 175 - 28/140 = 147/140 - After reducing the fraction, the answer is 21/20
- In mixed form: 11/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/28-1/5 35/28-2/5 35/56-1/5 35/28-1/10 35/28-3/5 35/84-1/5 35/28-1/15 35/28-1/25 35/28-7/5 35/28-1/35