Add 81/54 and 84/63
1st number: 1 27/54, 2nd number: 1 21/63
81/54 + 84/63 is 17/6.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 63 is 378
Next, find the equivalent fraction of both fractional numbers with denominator 378 - For the 1st fraction, since 54 × 7 = 378,
81/54 = 81 × 7/54 × 7 = 567/378 - Likewise, for the 2nd fraction, since 63 × 6 = 378,
84/63 = 84 × 6/63 × 6 = 504/378 - Add the two like fractions:
567/378 + 504/378 = 567 + 504/378 = 1071/378 - 1071/378 simplified gives 17/6
- So, 81/54 + 84/63 = 17/6
In mixed form: 25/6
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