Subtract 5/90 from 20/14
1st number: 1 6/14, 2nd number: 5/90
20/14 - 5/90 is 173/126.
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,
20/14 = 20 × 45/14 × 45 = 900/630 - Likewise, for the 2nd fraction, since 90 × 7 = 630,
5/90 = 5 × 7/90 × 7 = 35/630 - Subtract the two like fractions:
900/630 - 35/630 = 900 - 35/630 = 865/630 - After reducing the fraction, the answer is 173/126
- In mixed form: 147/126
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/14-5/90 20/14-10/90 20/28-5/90 60/14-5/90 20/14-15/90 20/42-5/90 20/14-25/90 20/70-5/90 20/14-35/90 20/98-5/90