Subtract 14/42 from 7/5
1st number: 1 2/5, 2nd number: 14/42
7/5 - 14/42 is 16/15.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 42 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 5 × 42 = 210,
7/5 = 7 × 42/5 × 42 = 294/210 - Likewise, for the 2nd fraction, since 42 × 5 = 210,
14/42 = 14 × 5/42 × 5 = 70/210 - Subtract the two like fractions:
294/210 - 70/210 = 294 - 70/210 = 224/210 - After reducing the fraction, the answer is 16/15
- In mixed form: 11/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/5-14/42 7/5-28/42 7/10-14/42 7/5-14/84 21/5-14/42 7/15-14/42 35/5-14/42 7/5-70/42 7/25-14/42 49/5-14/42 7/5-98/42 7/35-14/42