Subtract 14/63 from 21/10
1st number: 2 1/10, 2nd number: 14/63
21/10 - 14/63 is 169/90.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 63 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 10 × 63 = 630,
21/10 = 21 × 63/10 × 63 = 1323/630 - Likewise, for the 2nd fraction, since 63 × 10 = 630,
14/63 = 14 × 10/63 × 10 = 140/630 - Subtract the two like fractions:
1323/630 - 140/630 = 1323 - 140/630 = 1183/630 - After reducing the fraction, the answer is 169/90
- In mixed form: 179/90
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/10-14/63 21/10-28/63 21/20-14/63 63/10-14/63 21/10-42/63 21/30-14/63 21/10-70/63 21/50-14/63 21/10-98/63 21/70-14/63