Subtract 10/18 from 18/35
18/35 - 10/18 is -13/315.
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,
18/35 = 18 × 18/35 × 18 = 324/630 - Likewise, for the 2nd fraction, since 18 × 35 = 630,
10/18 = 10 × 35/18 × 35 = 350/630 - Subtract the two like fractions:
324/630 - 350/630 = 324 - 350/630 = -26/630 - After reducing the fraction, the answer is -13/315
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/35-10/18 18/35-20/18 18/70-10/18 18/35-10/36 54/35-10/18 18/35-30/18 18/35-10/54 90/35-10/18 18/35-50/18 18/35-10/90 18/35-70/18