Subtract 9/7 from 20/35
1st number: 20/35, 2nd number: 1 2/7
20/35 - 9/7 is -5/7.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 7 is 35
Next, find the equivalent fraction of both fractional numbers with denominator 35 - For the 1st fraction, since 35 × 1 = 35,
20/35 = 20 × 1/35 × 1 = 20/35 - Likewise, for the 2nd fraction, since 7 × 5 = 35,
9/7 = 9 × 5/7 × 5 = 45/35 - Subtract the two like fractions:
20/35 - 45/35 = 20 - 45/35 = -25/35 - After reducing the fraction, the answer is -5/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/35-9/7 20/35-18/7 20/70-9/7 20/35-9/14 60/35-9/7 20/35-27/7 20/35-9/21 20/35-45/7 20/35-9/35 20/35-63/7 20/35-9/49