Add 81/54 and 35/63, Solve 1 27/54 + 35/63 as a fraction

Add 81/54 and 35/63

1^st number: 1 27/54, 2^nd number: 35/63

81/54 + 35/63 is 37/18.

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,
35/63 = 35 × 6/63 × 6 = 210/378
Add the two like fractions:
567/378 + 210/378 = 567 + 210/378 = 777/378
777/378 simplified gives 37/18
So, 81/54 + 35/63 = 37/18
In mixed form: 21/18

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