Subtract 42/70 from 35/9
1st number: 3 8/9, 2nd number: 42/70
35/9 - 42/70 is 148/45.
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,
42/70 = 42 × 9/70 × 9 = 378/630 - Subtract the two like fractions:
2450/630 - 378/630 = 2450 - 378/630 = 2072/630 - After reducing the fraction, the answer is 148/45
- In mixed form: 313/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/9-42/70 35/9-84/70 35/18-42/70 35/27-42/70 35/45-42/70 35/63-42/70