Add 21/3 and 6/12
1st number: 7 0/3, 2nd number: 6/12
21/3 + 6/12 is 15/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 12 is 12
Next, find the equivalent fraction of both fractional numbers with denominator 12 - For the 1st fraction, since 3 × 4 = 12,
21/3 = 21 × 4/3 × 4 = 84/12 - Likewise, for the 2nd fraction, since 12 × 1 = 12,
6/12 = 6 × 1/12 × 1 = 6/12 - Add the two like fractions:
84/12 + 6/12 = 84 + 6/12 = 90/12 - 90/12 simplified gives 15/2
- So, 21/3 + 6/12 = 15/2
In mixed form: 71/2
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