Add 1/3 and 63/21
1st number: 1/3, 2nd number: 3 0/21
1/3 + 63/21 is 10/3.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 21 is 21
Next, find the equivalent fraction of both fractional numbers with denominator 21 - For the 1st fraction, since 3 × 7 = 21,
1/3 = 1 × 7/3 × 7 = 7/21 - Likewise, for the 2nd fraction, since 21 × 1 = 21,
63/21 = 63 × 1/21 × 1 = 63/21 - Add the two like fractions:
7/21 + 63/21 = 7 + 63/21 = 70/21 - 70/21 simplified gives 10/3
- So, 1/3 + 63/21 = 10/3
In mixed form: 31/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/3+63/21 1/6+63/21 1/3+63/42 1/9+63/21 5/3+63/21 1/15+63/21 7/3+63/21 1/21+63/21