Subtract 7/70 from 28/2
1st number: 14 0/2, 2nd number: 7/70
28/2 - 7/70 is 139/10.
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,
28/2 = 28 × 35/2 × 35 = 980/70 - Likewise, for the 2nd fraction, since 70 × 1 = 70,
7/70 = 7 × 1/70 × 1 = 7/70 - Subtract the two like fractions:
980/70 - 7/70 = 980 - 7/70 = 973/70 - After reducing the fraction, the answer is 139/10
- In mixed form: 139/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/2-7/70 28/2-14/70 28/4-7/70 84/2-7/70 28/2-21/70 28/6-7/70 28/2-35/70 28/10-7/70 28/2-49/70 28/14-7/70