Subtract 5/70 from 2/5
2/5 - 5/70 is 23/70.
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,
2/5 = 2 × 14/5 × 14 = 28/70 - Likewise, for the 2nd fraction, since 70 × 1 = 70,
5/70 = 5 × 1/70 × 1 = 5/70 - Subtract the two like fractions:
28/70 - 5/70 = 28 - 5/70 = 23/70
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/5-5/70 2/5-10/70 2/10-5/70 6/5-5/70 2/5-15/70 2/15-5/70 10/5-5/70 2/5-25/70 2/25-5/70 14/5-5/70 2/5-35/70 2/35-5/70