Subtract 18/36 from 7/35
7/35 - 18/36 is -3/10.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 36 is 1260
Next, find the equivalent fraction of both fractional numbers with denominator 1260 - For the 1st fraction, since 35 × 36 = 1260,
7/35 = 7 × 36/35 × 36 = 252/1260 - Likewise, for the 2nd fraction, since 36 × 35 = 1260,
18/36 = 18 × 35/36 × 35 = 630/1260 - Subtract the two like fractions:
252/1260 - 630/1260 = 252 - 630/1260 = -378/1260 - After reducing the fraction, the answer is -3/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/35-18/36 7/70-18/36 7/35-18/72 21/35-18/36 7/35-54/36 7/35-90/36 49/35-18/36