Subtract 6/18 from 42/35
1st number: 1 7/35, 2nd number: 6/18
42/35 - 6/18 is 13/15.
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,
42/35 = 42 × 18/35 × 18 = 756/630 - Likewise, for the 2nd fraction, since 18 × 35 = 630,
6/18 = 6 × 35/18 × 35 = 210/630 - Subtract the two like fractions:
756/630 - 210/630 = 756 - 210/630 = 546/630 - After reducing the fraction, the answer is 13/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/35-6/18 42/35-12/18 42/70-6/18 42/35-6/36 42/35-6/54 42/35-30/18 42/35-6/90 42/35-42/18