Add 21/3 and 84/18
1st number: 7 0/3, 2nd number: 4 12/18
21/3 + 84/18 is 35/3.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 18 is 18
Next, find the equivalent fraction of both fractional numbers with denominator 18 - For the 1st fraction, since 3 × 6 = 18,
21/3 = 21 × 6/3 × 6 = 126/18 - Likewise, for the 2nd fraction, since 18 × 1 = 18,
84/18 = 84 × 1/18 × 1 = 84/18 - Add the two like fractions:
126/18 + 84/18 = 126 + 84/18 = 210/18 - 210/18 simplified gives 35/3
- So, 21/3 + 84/18 = 35/3
In mixed form: 112/3
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