Subtract 80/7 from 18/35
1st number: 18/35, 2nd number: 11 3/7
18/35 - 80/7 is -382/35.
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,
80/7 = 80 × 5/7 × 5 = 400/35 - Subtract the two like fractions:
18/35 - 400/35 = 18 - 400/35 = -382/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/35-80/7 18/70-80/7 18/35-80/14 54/35-80/7 18/35-80/21 90/35-80/7 18/35-80/35 18/35-80/49