Subtract 18/14 from 42/5
1st number: 8 2/5, 2nd number: 1 4/14
42/5 - 18/14 is 249/35.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 14 is 70
Next, find the equivalent fraction of both fractional numbers with denominator 70 - For the 1st fraction, since 5 × 14 = 70,
42/5 = 42 × 14/5 × 14 = 588/70 - Likewise, for the 2nd fraction, since 14 × 5 = 70,
18/14 = 18 × 5/14 × 5 = 90/70 - Subtract the two like fractions:
588/70 - 90/70 = 588 - 90/70 = 498/70 - After reducing the fraction, the answer is 249/35
- In mixed form: 74/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/5-18/14 42/5-36/14 42/10-18/14 42/5-18/28 42/5-54/14 42/15-18/14 42/5-18/42 42/5-90/14 42/25-18/14 42/5-18/70 42/35-18/14 42/5-18/98