Add 45/54 and 80/63, Solve 45/54 + 1 17/63 as a fraction

Add 45/54 and 80/63

1^st number: 45/54, 2^nd number: 1 17/63

45/54 + 80/63 is 265/126.

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,
45/54 = 45 × 7/54 × 7 = 315/378
Likewise, for the 2nd fraction, since 63 × 6 = 378,
80/63 = 80 × 6/63 × 6 = 480/378
Add the two like fractions:
315/378 + 480/378 = 315 + 480/378 = 795/378
795/378 simplified gives 265/126
So, 45/54 + 80/63 = 265/126
In mixed form: 213/126

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