Add 72/14 and 84/54
1st number: 5 2/14, 2nd number: 1 30/54
72/14 + 84/54 is 422/63.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 54 is 378
Next, find the equivalent fraction of both fractional numbers with denominator 378 - For the 1st fraction, since 14 × 27 = 378,
72/14 = 72 × 27/14 × 27 = 1944/378 - Likewise, for the 2nd fraction, since 54 × 7 = 378,
84/54 = 84 × 7/54 × 7 = 588/378 - Add the two like fractions:
1944/378 + 588/378 = 1944 + 588/378 = 2532/378 - 2532/378 simplified gives 422/63
- So, 72/14 + 84/54 = 422/63
In mixed form: 644/63
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