Add 90/54 and 48/63, Solve 1 36/54 + 48/63 as a fraction

Add 90/54 and 48/63

1^st number: 1 36/54, 2^nd number: 48/63

90/54 + 48/63 is 17/7.

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,
48/63 = 48 × 6/63 × 6 = 288/378
Add the two like fractions:
630/378 + 288/378 = 630 + 288/378 = 918/378
918/378 simplified gives 17/7
So, 90/54 + 48/63 = 17/7
In mixed form: 23/7

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