Subtract 7/70 from 35/18
1st number: 1 17/18, 2nd number: 7/70
35/18 - 7/70 is 83/45.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 70 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 18 × 35 = 630,
35/18 = 35 × 35/18 × 35 = 1225/630 - Likewise, for the 2nd fraction, since 70 × 9 = 630,
7/70 = 7 × 9/70 × 9 = 63/630 - Subtract the two like fractions:
1225/630 - 63/630 = 1225 - 63/630 = 1162/630 - After reducing the fraction, the answer is 83/45
- In mixed form: 138/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/18-7/70 35/18-14/70 35/36-7/70 35/18-21/70 35/54-7/70 35/18-35/70 35/90-7/70 35/18-49/70