Subtract 8/35 from 1/20
1/20 - 8/35 is -5/28.
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,
1/20 = 1 × 7/20 × 7 = 7/140 - Likewise, for the 2nd fraction, since 35 × 4 = 140,
8/35 = 8 × 4/35 × 4 = 32/140 - Subtract the two like fractions:
7/140 - 32/140 = 7 - 32/140 = -25/140 - After reducing the fraction, the answer is -5/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/20-8/35 1/20-16/35 1/40-8/35 1/20-8/70 3/20-8/35 1/20-24/35 1/60-8/35 5/20-8/35 1/20-40/35 7/20-8/35 1/20-56/35