Subtract 3/28 from 7/5
1st number: 1 2/5, 2nd number: 3/28
7/5 - 3/28 is 181/140.
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,
7/5 = 7 × 28/5 × 28 = 196/140 - Likewise, for the 2nd fraction, since 28 × 5 = 140,
3/28 = 3 × 5/28 × 5 = 15/140 - Subtract the two like fractions:
196/140 - 15/140 = 196 - 15/140 = 181/140 - In mixed form: 141/140
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/5-3/28 7/5-6/28 7/10-3/28 7/5-3/56 21/5-3/28 7/5-9/28 7/15-3/28 7/5-3/84 35/5-3/28 7/5-15/28 7/25-3/28 49/5-3/28 7/5-21/28 7/35-3/28