Subtract 70/21 from 24/3
1st number: 8 0/3, 2nd number: 3 7/21
24/3 - 70/21 is 14/3.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 21 is 21
Next, find the equivalent fraction of both fractional numbers with denominator 21 - For the 1st fraction, since 3 × 7 = 21,
24/3 = 24 × 7/3 × 7 = 168/21 - Likewise, for the 2nd fraction, since 21 × 1 = 21,
70/21 = 70 × 1/21 × 1 = 70/21 - Subtract the two like fractions:
168/21 - 70/21 = 168 - 70/21 = 98/21 - After reducing the fraction, the answer is 14/3
- In mixed form: 42/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 48/3-70/21 24/6-70/21 24/3-70/42 72/3-70/21 24/9-70/21 24/3-70/63 24/15-70/21 24/21-70/21