Subtract 63/70 from 63/9
1st number: 7 0/9, 2nd number: 63/70
63/9 - 63/70 is 61/10.
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,
63/9 = 63 × 70/9 × 70 = 4410/630 - Likewise, for the 2nd fraction, since 70 × 9 = 630,
63/70 = 63 × 9/70 × 9 = 567/630 - Subtract the two like fractions:
4410/630 - 567/630 = 4410 - 567/630 = 3843/630 - After reducing the fraction, the answer is 61/10
- In mixed form: 61/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/18-63/70 63/27-63/70 63/45-63/70