Subtract 20/35 from 7/10
7/10 - 20/35 is 9/70.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 35 is 70
Next, find the equivalent fraction of both fractional numbers with denominator 70 - For the 1st fraction, since 10 × 7 = 70,
7/10 = 7 × 7/10 × 7 = 49/70 - Likewise, for the 2nd fraction, since 35 × 2 = 70,
20/35 = 20 × 2/35 × 2 = 40/70 - Subtract the two like fractions:
49/70 - 40/70 = 49 - 40/70 = 9/70
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/10-20/35 7/10-40/35 7/20-20/35 7/10-20/70 21/10-20/35 7/10-60/35 7/30-20/35 35/10-20/35 7/50-20/35 49/10-20/35 7/70-20/35