Subtract 72/70 from 35/9
1st number: 3 8/9, 2nd number: 1 2/70
35/9 - 72/70 is 901/315.
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,
35/9 = 35 × 70/9 × 70 = 2450/630 - Likewise, for the 2nd fraction, since 70 × 9 = 630,
72/70 = 72 × 9/70 × 9 = 648/630 - Subtract the two like fractions:
2450/630 - 648/630 = 2450 - 648/630 = 1802/630 - After reducing the fraction, the answer is 901/315
- In mixed form: 2271/315
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/9-72/70 35/18-72/70 35/27-72/70 35/45-72/70 35/63-72/70