Subtract 5/25 from 7/70
7/70 - 5/25 is -1/10.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 25 is 350
Next, find the equivalent fraction of both fractional numbers with denominator 350 - For the 1st fraction, since 70 × 5 = 350,
7/70 = 7 × 5/70 × 5 = 35/350 - Likewise, for the 2nd fraction, since 25 × 14 = 350,
5/25 = 5 × 14/25 × 14 = 70/350 - Subtract the two like fractions:
35/350 - 70/350 = 35 - 70/350 = -35/350 - After reducing the fraction, the answer is -1/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/70-5/25 7/70-10/25 7/70-5/50 21/70-5/25 7/70-15/25 7/70-5/75 35/70-5/25 49/70-5/25 7/70-35/25