Subtract 8/90 from 18/14
1st number: 1 4/14, 2nd number: 8/90
18/14 - 8/90 is 377/315.
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,
18/14 = 18 × 45/14 × 45 = 810/630 - Likewise, for the 2nd fraction, since 90 × 7 = 630,
8/90 = 8 × 7/90 × 7 = 56/630 - Subtract the two like fractions:
810/630 - 56/630 = 810 - 56/630 = 754/630 - After reducing the fraction, the answer is 377/315
- In mixed form: 162/315
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/14-8/90 18/14-16/90 18/28-8/90 54/14-8/90 18/14-24/90 18/42-8/90 90/14-8/90 18/14-40/90 18/70-8/90 18/14-56/90 18/98-8/90