Subtract 15/35 from 10/18
10/18 - 15/35 is 8/63.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 35 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 18 × 35 = 630,
10/18 = 10 × 35/18 × 35 = 350/630 - Likewise, for the 2nd fraction, since 35 × 18 = 630,
15/35 = 15 × 18/35 × 18 = 270/630 - Subtract the two like fractions:
350/630 - 270/630 = 350 - 270/630 = 80/630 - After reducing the fraction, the answer is 8/63
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/18-15/35 10/18-30/35 10/36-15/35 10/18-15/70 30/18-15/35 10/18-45/35 10/54-15/35 50/18-15/35 10/18-75/35 10/90-15/35 70/18-15/35