Subtract 42/18 from 35/2
1st number: 17 1/2, 2nd number: 2 6/18
35/2 - 42/18 is 91/6.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 18 is 18
Next, find the equivalent fraction of both fractional numbers with denominator 18 - For the 1st fraction, since 2 × 9 = 18,
35/2 = 35 × 9/2 × 9 = 315/18 - Likewise, for the 2nd fraction, since 18 × 1 = 18,
42/18 = 42 × 1/18 × 1 = 42/18 - Subtract the two like fractions:
315/18 - 42/18 = 315 - 42/18 = 273/18 - After reducing the fraction, the answer is 91/6
- In mixed form: 151/6
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/2-42/18 35/2-84/18 35/4-42/18 35/2-42/36 35/6-42/18 35/2-42/54 35/10-42/18 35/2-42/90 35/14-42/18