Subtract 21/80 from 63/49
1st number: 1 14/49, 2nd number: 21/80
63/49 - 21/80 is 573/560.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 49 and 80 is 3920
Next, find the equivalent fraction of both fractional numbers with denominator 3920 - For the 1st fraction, since 49 × 80 = 3920,
63/49 = 63 × 80/49 × 80 = 5040/3920 - Likewise, for the 2nd fraction, since 80 × 49 = 3920,
21/80 = 21 × 49/80 × 49 = 1029/3920 - Subtract the two like fractions:
5040/3920 - 1029/3920 = 5040 - 1029/3920 = 4011/3920 - After reducing the fraction, the answer is 573/560
- In mixed form: 113/560
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/49-42/80 63/98-21/80 63/49-63/80