Subtract 70/90 from 35/14
1st number: 2 7/14, 2nd number: 70/90
35/14 - 70/90 is 31/18.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 90 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 14 × 45 = 630,
35/14 = 35 × 45/14 × 45 = 1575/630 - Likewise, for the 2nd fraction, since 90 × 7 = 630,
70/90 = 70 × 7/90 × 7 = 490/630 - Subtract the two like fractions:
1575/630 - 490/630 = 1575 - 490/630 = 1085/630 - After reducing the fraction, the answer is 31/18
- In mixed form: 113/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/14-70/90 35/28-70/90 35/42-70/90 35/70-70/90 35/98-70/90