Add 84/18 and 72/27
1st number: 4 12/18, 2nd number: 2 18/27
84/18 + 72/27 is 22/3.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 27 is 54
Next, find the equivalent fraction of both fractional numbers with denominator 54 - For the 1st fraction, since 18 × 3 = 54,
84/18 = 84 × 3/18 × 3 = 252/54 - Likewise, for the 2nd fraction, since 27 × 2 = 54,
72/27 = 72 × 2/27 × 2 = 144/54 - Add the two like fractions:
252/54 + 144/54 = 252 + 144/54 = 396/54 - 396/54 simplified gives 22/3
- So, 84/18 + 72/27 = 22/3
In mixed form: 71/3
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