Subtract 15/90 from 70/14
1st number: 5 0/14, 2nd number: 15/90
70/14 - 15/90 is 29/6.
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,
70/14 = 70 × 45/14 × 45 = 3150/630 - Likewise, for the 2nd fraction, since 90 × 7 = 630,
15/90 = 15 × 7/90 × 7 = 105/630 - Subtract the two like fractions:
3150/630 - 105/630 = 3150 - 105/630 = 3045/630 - After reducing the fraction, the answer is 29/6
- In mixed form: 45/6
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/14-30/90 70/28-15/90 70/14-45/90 70/42-15/90 70/14-75/90 70/98-15/90