Subtract 5/42 from 70/15
1st number: 4 10/15, 2nd number: 5/42
70/15 - 5/42 is 191/42.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 42 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 15 × 14 = 210,
70/15 = 70 × 14/15 × 14 = 980/210 - Likewise, for the 2nd fraction, since 42 × 5 = 210,
5/42 = 5 × 5/42 × 5 = 25/210 - Subtract the two like fractions:
980/210 - 25/210 = 980 - 25/210 = 955/210 - After reducing the fraction, the answer is 191/42
- In mixed form: 423/42
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/15-10/42 70/30-5/42 70/15-5/84 70/15-15/42 70/45-5/42 70/15-25/42 70/75-5/42 70/15-35/42