Subtract 10/20 from 4/35
4/35 - 10/20 is -27/70.
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,
4/35 = 4 × 4/35 × 4 = 16/140 - Likewise, for the 2nd fraction, since 20 × 7 = 140,
10/20 = 10 × 7/20 × 7 = 70/140 - Subtract the two like fractions:
16/140 - 70/140 = 16 - 70/140 = -54/140 - After reducing the fraction, the answer is -27/70
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/35-10/20 4/70-10/20 4/35-10/40 12/35-10/20 4/35-30/20 4/35-10/60 20/35-10/20 4/35-50/20 28/35-10/20 4/35-70/20