Subtract 7/9 from 18/35
18/35 - 7/9 is -83/315.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 9 is 315
Next, find the equivalent fraction of both fractional numbers with denominator 315 - For the 1st fraction, since 35 × 9 = 315,
18/35 = 18 × 9/35 × 9 = 162/315 - Likewise, for the 2nd fraction, since 9 × 35 = 315,
7/9 = 7 × 35/9 × 35 = 245/315 - Subtract the two like fractions:
162/315 - 245/315 = 162 - 245/315 = -83/315
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/35-7/9 18/35-14/9 18/70-7/9 18/35-7/18 54/35-7/9 18/35-21/9 18/35-7/27 90/35-7/9 18/35-35/9 18/35-7/45 18/35-49/9 18/35-7/63