Subtract 70/9 from 84/2
1st number: 42 0/2, 2nd number: 7 7/9
84/2 - 70/9 is 308/9.
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,
84/2 = 84 × 9/2 × 9 = 756/18 - Likewise, for the 2nd fraction, since 9 × 2 = 18,
70/9 = 70 × 2/9 × 2 = 140/18 - Subtract the two like fractions:
756/18 - 140/18 = 756 - 140/18 = 616/18 - After reducing the fraction, the answer is 308/9
- In mixed form: 342/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/4-70/9 84/2-70/18 84/6-70/9 84/2-70/27 84/10-70/9 84/2-70/45 84/14-70/9 84/2-70/63