Subtract 7/70 from 40/2
1st number: 20 0/2, 2nd number: 7/70
40/2 - 7/70 is 199/10.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 70 is 70
Next, find the equivalent fraction of both fractional numbers with denominator 70 - For the 1st fraction, since 2 × 35 = 70,
40/2 = 40 × 35/2 × 35 = 1400/70 - Likewise, for the 2nd fraction, since 70 × 1 = 70,
7/70 = 7 × 1/70 × 1 = 7/70 - Subtract the two like fractions:
1400/70 - 7/70 = 1400 - 7/70 = 1393/70 - After reducing the fraction, the answer is 199/10
- In mixed form: 199/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/2-7/70 40/2-14/70 40/4-7/70 40/2-21/70 40/6-7/70 40/2-35/70 40/10-7/70 40/2-49/70 40/14-7/70