Subtract 7/70 from 10/5
1st number: 2 0/5, 2nd number: 7/70
10/5 - 7/70 is 19/10.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 70 is 70
Next, find the equivalent fraction of both fractional numbers with denominator 70 - For the 1st fraction, since 5 × 14 = 70,
10/5 = 10 × 14/5 × 14 = 140/70 - Likewise, for the 2nd fraction, since 70 × 1 = 70,
7/70 = 7 × 1/70 × 1 = 7/70 - Subtract the two like fractions:
140/70 - 7/70 = 140 - 7/70 = 133/70 - After reducing the fraction, the answer is 19/10
- In mixed form: 19/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/5-7/70 10/5-14/70 30/5-7/70 10/5-21/70 10/15-7/70 50/5-7/70 10/5-35/70 10/25-7/70 70/5-7/70 10/5-49/70 10/35-7/70