Subtract 1/35 from 10/20
10/20 - 1/35 is 33/70.
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,
10/20 = 10 × 7/20 × 7 = 70/140 - Likewise, for the 2nd fraction, since 35 × 4 = 140,
1/35 = 1 × 4/35 × 4 = 4/140 - Subtract the two like fractions:
70/140 - 4/140 = 70 - 4/140 = 66/140 - After reducing the fraction, the answer is 33/70
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/20-2/35 10/40-1/35 10/20-1/70 30/20-1/35 10/20-3/35 10/60-1/35 50/20-1/35 10/20-5/35 70/20-1/35 10/20-7/35