Add 21/2 and 63/6
1st number: 10 1/2, 2nd number: 10 3/6
21/2 + 63/6 is 21/1.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 6 is 6
Next, find the equivalent fraction of both fractional numbers with denominator 6 - For the 1st fraction, since 2 × 3 = 6,
21/2 = 21 × 3/2 × 3 = 63/6 - Likewise, for the 2nd fraction, since 6 × 1 = 6,
63/6 = 63 × 1/6 × 1 = 63/6 - Add the two like fractions:
63/6 + 63/6 = 63 + 63/6 = 126/6 - 126/6 simplified gives 21/1
- So, 21/2 + 63/6 = 21/1
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/2+63/6 21/4+63/6 21/2+63/12 63/2+63/6 21/6+63/6 21/2+63/18 21/10+63/6 21/2+63/30 21/14+63/6 21/2+63/42