Subtract 9/18 from 7/35
7/35 - 9/18 is -3/10.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 18 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 35 × 18 = 630,
7/35 = 7 × 18/35 × 18 = 126/630 - Likewise, for the 2nd fraction, since 18 × 35 = 630,
9/18 = 9 × 35/18 × 35 = 315/630 - Subtract the two like fractions:
126/630 - 315/630 = 126 - 315/630 = -189/630 - 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: 14/35-9/18 7/70-9/18 7/35-9/36 21/35-9/18 7/35-27/18 7/35-9/54 7/35-45/18 7/35-9/90 49/35-9/18 7/35-63/18