Subtract 5/70 from 24/21
1st number: 1 3/21, 2nd number: 5/70
24/21 - 5/70 is 15/14.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 70 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 21 × 10 = 210,
24/21 = 24 × 10/21 × 10 = 240/210 - Likewise, for the 2nd fraction, since 70 × 3 = 210,
5/70 = 5 × 3/70 × 3 = 15/210 - Subtract the two like fractions:
240/210 - 15/210 = 240 - 15/210 = 225/210 - After reducing the fraction, the answer is 15/14
- In mixed form: 11/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 48/21-5/70 24/21-10/70 24/42-5/70 72/21-5/70 24/21-15/70 24/63-5/70 24/21-25/70 24/21-35/70