Subtract 9/20 from 5/35
5/35 - 9/20 is -43/140.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 20 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 35 × 4 = 140,
5/35 = 5 × 4/35 × 4 = 20/140 - Likewise, for the 2nd fraction, since 20 × 7 = 140,
9/20 = 9 × 7/20 × 7 = 63/140 - Subtract the two like fractions:
20/140 - 63/140 = 20 - 63/140 = -43/140
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/35-9/20 5/35-18/20 5/70-9/20 5/35-9/40 15/35-9/20 5/35-27/20 5/35-9/60 25/35-9/20 5/35-45/20 5/35-63/20