Subtract 1/90 from 15/14
1st number: 1 1/14, 2nd number: 1/90
15/14 - 1/90 is 334/315.
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,
15/14 = 15 × 45/14 × 45 = 675/630 - Likewise, for the 2nd fraction, since 90 × 7 = 630,
1/90 = 1 × 7/90 × 7 = 7/630 - Subtract the two like fractions:
675/630 - 7/630 = 675 - 7/630 = 668/630 - After reducing the fraction, the answer is 334/315
- In mixed form: 119/315
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/14-1/90 15/14-2/90 15/28-1/90 45/14-1/90 15/14-3/90 15/42-1/90 75/14-1/90 15/14-5/90 15/70-1/90 15/14-7/90 15/98-1/90