Add 63/2 and 98/21
1st number: 31 1/2, 2nd number: 4 14/21
63/2 + 98/21 is 217/6.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 21 is 42
Next, find the equivalent fraction of both fractional numbers with denominator 42 - For the 1st fraction, since 2 × 21 = 42,
63/2 = 63 × 21/2 × 21 = 1323/42 - Likewise, for the 2nd fraction, since 21 × 2 = 42,
98/21 = 98 × 2/21 × 2 = 196/42 - Add the two like fractions:
1323/42 + 196/42 = 1323 + 196/42 = 1519/42 - 1519/42 simplified gives 217/6
- So, 63/2 + 98/21 = 217/6
In mixed form: 361/6
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/4+98/21 63/2+98/42 63/6+98/21 63/2+98/63 63/10+98/21 63/14+98/21