Subtract 3/70 from 72/9
1st number: 8 0/9, 2nd number: 3/70
72/9 - 3/70 is 557/70.
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,
72/9 = 72 × 70/9 × 70 = 5040/630 - Likewise, for the 2nd fraction, since 70 × 9 = 630,
3/70 = 3 × 9/70 × 9 = 27/630 - Subtract the two like fractions:
5040/630 - 27/630 = 5040 - 27/630 = 5013/630 - After reducing the fraction, the answer is 557/70
- In mixed form: 767/70
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/9-6/70 72/18-3/70 72/9-9/70 72/27-3/70 72/9-15/70 72/45-3/70 72/9-21/70 72/63-3/70