Subtract 63/70 from 84/9
1st number: 9 3/9, 2nd number: 63/70
84/9 - 63/70 is 253/30.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 70 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 9 × 70 = 630,
84/9 = 84 × 70/9 × 70 = 5880/630 - Likewise, for the 2nd fraction, since 70 × 9 = 630,
63/70 = 63 × 9/70 × 9 = 567/630 - Subtract the two like fractions:
5880/630 - 567/630 = 5880 - 567/630 = 5313/630 - After reducing the fraction, the answer is 253/30
- In mixed form: 813/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/18-63/70 84/27-63/70 84/45-63/70 84/63-63/70