Subtract 18/35 from 1/5
1/5 - 18/35 is -11/35.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 35 is 35
Next, find the equivalent fraction of both fractional numbers with denominator 35 - For the 1st fraction, since 5 × 7 = 35,
1/5 = 1 × 7/5 × 7 = 7/35 - Likewise, for the 2nd fraction, since 35 × 1 = 35,
18/35 = 18 × 1/35 × 1 = 18/35 - Subtract the two like fractions:
7/35 - 18/35 = 7 - 18/35 = -11/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/5-18/35 1/5-36/35 1/10-18/35 1/5-18/70 3/5-18/35 1/5-54/35 1/15-18/35 1/5-90/35 1/25-18/35 7/5-18/35 1/35-18/35