Subtract 12/7 from 18/35
1st number: 18/35, 2nd number: 1 5/7
18/35 - 12/7 is -6/5.
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,
18/35 = 18 × 1/35 × 1 = 18/35 - Likewise, for the 2nd fraction, since 7 × 5 = 35,
12/7 = 12 × 5/7 × 5 = 60/35 - Subtract the two like fractions:
18/35 - 60/35 = 18 - 60/35 = -42/35 - After reducing the fraction, the answer is -6/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/35-12/7 18/35-24/7 18/70-12/7 18/35-12/14 54/35-12/7 18/35-36/7 18/35-12/21 90/35-12/7 18/35-60/7 18/35-12/35 18/35-84/7 18/35-12/49