Subtract 9/35 from 9/28
9/28 - 9/35 is 9/140.
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,
9/28 = 9 × 5/28 × 5 = 45/140 - Likewise, for the 2nd fraction, since 35 × 4 = 140,
9/35 = 9 × 4/35 × 4 = 36/140 - Subtract the two like fractions:
45/140 - 36/140 = 45 - 36/140 = 9/140
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/28-9/35 9/28-18/35 9/56-9/35 9/28-9/70 27/28-9/35 9/28-27/35 9/84-9/35 45/28-9/35 9/28-45/35 63/28-9/35 9/28-63/35