Subtract 21/9 from 70/2
1st number: 35 0/2, 2nd number: 2 3/9
70/2 - 21/9 is 98/3.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 9 is 18
Next, find the equivalent fraction of both fractional numbers with denominator 18 - For the 1st fraction, since 2 × 9 = 18,
70/2 = 70 × 9/2 × 9 = 630/18 - Likewise, for the 2nd fraction, since 9 × 2 = 18,
21/9 = 21 × 2/9 × 2 = 42/18 - Subtract the two like fractions:
630/18 - 42/18 = 630 - 42/18 = 588/18 - After reducing the fraction, the answer is 98/3
- In mixed form: 322/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/2-42/9 70/4-21/9 70/2-21/18 70/2-63/9 70/6-21/9 70/2-21/27 70/10-21/9 70/2-21/45 70/14-21/9 70/2-21/63