Subtract 3/28 from 7/35
7/35 - 3/28 is 13/140.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 28 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 35 × 4 = 140,
7/35 = 7 × 4/35 × 4 = 28/140 - Likewise, for the 2nd fraction, since 28 × 5 = 140,
3/28 = 3 × 5/28 × 5 = 15/140 - Subtract the two like fractions:
28/140 - 15/140 = 28 - 15/140 = 13/140
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/35-3/28 7/35-6/28 7/70-3/28 7/35-3/56 21/35-3/28 7/35-9/28 7/35-3/84 7/35-15/28 49/35-3/28 7/35-21/28