Subtract 70/7 from 3/25, Solve 3/25

Subtract 70/7 from 3/25

1^st number: 3/25, 2^nd number: 10 0/7

3/25 - 70/7 is -247/25.

Find the least common denominator or LCM of the two denominators:
LCM of 25 and 7 is 175

Next, find the equivalent fraction of both fractional numbers with denominator 175
For the 1st fraction, since 25 × 7 = 175,
3/25 = 3 × 7/25 × 7 = 21/175
Likewise, for the 2nd fraction, since 7 × 25 = 175,
70/7 = 70 × 25/7 × 25 = 1750/175
Subtract the two like fractions:
21/175 - 1750/175 = 21 - 1750/175 = -1729/175
After reducing the fraction, the answer is -247/25

MathStep (Works offline)

Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad