Add 54/14 and 84/18
1st number: 3 12/14, 2nd number: 4 12/18
54/14 + 84/18 is 179/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 18 is 126
Next, find the equivalent fraction of both fractional numbers with denominator 126 - For the 1st fraction, since 14 × 9 = 126,
54/14 = 54 × 9/14 × 9 = 486/126 - Likewise, for the 2nd fraction, since 18 × 7 = 126,
84/18 = 84 × 7/18 × 7 = 588/126 - Add the two like fractions:
486/126 + 588/126 = 486 + 588/126 = 1074/126 - 1074/126 simplified gives 179/21
- So, 54/14 + 84/18 = 179/21
In mixed form: 811/21
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