Subtract 5/70 from 20/5
1st number: 4 0/5, 2nd number: 5/70
20/5 - 5/70 is 55/14.
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,
20/5 = 20 × 14/5 × 14 = 280/70 - Likewise, for the 2nd fraction, since 70 × 1 = 70,
5/70 = 5 × 1/70 × 1 = 5/70 - Subtract the two like fractions:
280/70 - 5/70 = 280 - 5/70 = 275/70 - After reducing the fraction, the answer is 55/14
- In mixed form: 313/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/5-5/70 20/5-10/70 20/10-5/70 60/5-5/70 20/5-15/70 20/15-5/70 20/5-25/70 20/25-5/70 20/5-35/70 20/35-5/70