Subtract 20/45 from 63/14
1st number: 4 7/14, 2nd number: 20/45
63/14 - 20/45 is 73/18.
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,
63/14 = 63 × 45/14 × 45 = 2835/630 - Likewise, for the 2nd fraction, since 45 × 14 = 630,
20/45 = 20 × 14/45 × 14 = 280/630 - Subtract the two like fractions:
2835/630 - 280/630 = 2835 - 280/630 = 2555/630 - After reducing the fraction, the answer is 73/18
- In mixed form: 41/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/14-40/45 63/28-20/45 63/14-20/90 63/14-60/45 63/42-20/45 63/70-20/45 63/98-20/45