Subtract 25/35 from 4/28
4/28 - 25/35 is -4/7.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 35 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 28 × 5 = 140,
4/28 = 4 × 5/28 × 5 = 20/140 - Likewise, for the 2nd fraction, since 35 × 4 = 140,
25/35 = 25 × 4/35 × 4 = 100/140 - Subtract the two like fractions:
20/140 - 100/140 = 20 - 100/140 = -80/140 - After reducing the fraction, the answer is -4/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/28-25/35 4/28-50/35 4/56-25/35 4/28-25/70 12/28-25/35 4/28-75/35 4/84-25/35 20/28-25/35