Subtract 21/14 from 63/10
1st number: 6 3/10, 2nd number: 1 7/14
63/10 - 21/14 is 24/5.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 14 is 70
Next, find the equivalent fraction of both fractional numbers with denominator 70 - For the 1st fraction, since 10 × 7 = 70,
63/10 = 63 × 7/10 × 7 = 441/70 - Likewise, for the 2nd fraction, since 14 × 5 = 70,
21/14 = 21 × 5/14 × 5 = 105/70 - Subtract the two like fractions:
441/70 - 105/70 = 441 - 105/70 = 336/70 - After reducing the fraction, the answer is 24/5
- In mixed form: 44/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/10-42/14 63/20-21/14 63/10-21/28 63/10-63/14 63/30-21/14 63/10-21/42 63/50-21/14 63/10-21/70 63/70-21/14 63/10-21/98