Add 21/6 and 84/72
1st number: 3 3/6, 2nd number: 1 12/72
21/6 + 84/72 is 14/3.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 72 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 6 × 12 = 72,
21/6 = 21 × 12/6 × 12 = 252/72 - Likewise, for the 2nd fraction, since 72 × 1 = 72,
84/72 = 84 × 1/72 × 1 = 84/72 - Add the two like fractions:
252/72 + 84/72 = 252 + 84/72 = 336/72 - 336/72 simplified gives 14/3
- So, 21/6 + 84/72 = 14/3
In mixed form: 42/3
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