Subtract 1/45 from 20/14
1st number: 1 6/14, 2nd number: 1/45
20/14 - 1/45 is 443/315.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 45 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 45 × 14 = 630,
1/45 = 1 × 14/45 × 14 = 14/630 - Subtract the two like fractions:
900/630 - 14/630 = 900 - 14/630 = 886/630 - After reducing the fraction, the answer is 443/315
- In mixed form: 1128/315
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/14-1/45 20/14-2/45 20/28-1/45 20/14-1/90 60/14-1/45 20/14-3/45 20/42-1/45 20/14-5/45 20/70-1/45 20/14-7/45 20/98-1/45