Subtract 63/49 from 20/5
1st number: 4 0/5, 2nd number: 1 14/49
20/5 - 63/49 is 19/7.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 49 is 245
Next, find the equivalent fraction of both fractional numbers with denominator 245 - For the 1st fraction, since 5 × 49 = 245,
20/5 = 20 × 49/5 × 49 = 980/245 - Likewise, for the 2nd fraction, since 49 × 5 = 245,
63/49 = 63 × 5/49 × 5 = 315/245 - Subtract the two like fractions:
980/245 - 315/245 = 980 - 315/245 = 665/245 - After reducing the fraction, the answer is 19/7
- In mixed form: 25/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/5-63/49 20/10-63/49 20/5-63/98 60/5-63/49 20/15-63/49 20/25-63/49 20/35-63/49