Subtract 9/35 from 8/20
8/20 - 9/35 is 1/7.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 35 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 20 × 7 = 140,
8/20 = 8 × 7/20 × 7 = 56/140 - Likewise, for the 2nd fraction, since 35 × 4 = 140,
9/35 = 9 × 4/35 × 4 = 36/140 - Subtract the two like fractions:
56/140 - 36/140 = 56 - 36/140 = 20/140 - After reducing the fraction, the answer is 1/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/20-9/35 8/20-18/35 8/40-9/35 8/20-9/70 24/20-9/35 8/20-27/35 8/60-9/35 40/20-9/35 8/20-45/35 56/20-9/35 8/20-63/35