Add 90/63 and 80/54, Solve 1 27/63 + 1 26/54 as a fraction

Add 90/63 and 80/54

1^st number: 1 27/63, 2^nd number: 1 26/54

90/63 + 80/54 is 550/189.

Find the least common denominator or LCM of the two denominators:
LCM of 63 and 54 is 378

Next, find the equivalent fraction of both fractional numbers with denominator 378
For the 1st fraction, since 63 × 6 = 378,
90/63 = 90 × 6/63 × 6 = 540/378
Likewise, for the 2nd fraction, since 54 × 7 = 378,
80/54 = 80 × 7/54 × 7 = 560/378
Add the two like fractions:
540/378 + 560/378 = 540 + 560/378 = 1100/378
1100/378 simplified gives 550/189
So, 90/63 + 80/54 = 550/189
In mixed form: 2172/189

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