Add 27/18 and 40/84
1st number: 1 9/18, 2nd number: 40/84
27/18 + 40/84 is 83/42.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 84 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 18 × 14 = 252,
27/18 = 27 × 14/18 × 14 = 378/252 - Likewise, for the 2nd fraction, since 84 × 3 = 252,
40/84 = 40 × 3/84 × 3 = 120/252 - Add the two like fractions:
378/252 + 120/252 = 378 + 120/252 = 498/252 - 498/252 simplified gives 83/42
- So, 27/18 + 40/84 = 83/42
In mixed form: 141/42
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