Subtract 21/70 from 50/5
1st number: 10 0/5, 2nd number: 21/70
50/5 - 21/70 is 97/10.
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,
50/5 = 50 × 14/5 × 14 = 700/70 - Likewise, for the 2nd fraction, since 70 × 1 = 70,
21/70 = 21 × 1/70 × 1 = 21/70 - Subtract the two like fractions:
700/70 - 21/70 = 700 - 21/70 = 679/70 - After reducing the fraction, the answer is 97/10
- In mixed form: 97/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/5-42/70 50/10-21/70 50/5-63/70 50/15-21/70 50/25-21/70 50/35-21/70