Add 90/54 and 40/63, Solve 1 36/54 + 40/63 as a fraction

Add 90/54 and 40/63

1^st number: 1 36/54, 2^nd number: 40/63

90/54 + 40/63 is 145/63.

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,
90/54 = 90 × 7/54 × 7 = 630/378
Likewise, for the 2nd fraction, since 63 × 6 = 378,
40/63 = 40 × 6/63 × 6 = 240/378
Add the two like fractions:
630/378 + 240/378 = 630 + 240/378 = 870/378
870/378 simplified gives 145/63
So, 90/54 + 40/63 = 145/63
In mixed form: 219/63

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