Add 75/63 and 84/54, Solve 1 12/63 + 1 30/54 as a fraction

Add 75/63 and 84/54

1^st number: 1 12/63, 2^nd number: 1 30/54

75/63 + 84/54 is 173/63.

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,
75/63 = 75 × 6/63 × 6 = 450/378
Likewise, for the 2nd fraction, since 54 × 7 = 378,
84/54 = 84 × 7/54 × 7 = 588/378
Add the two like fractions:
450/378 + 588/378 = 450 + 588/378 = 1038/378
1038/378 simplified gives 173/63
So, 75/63 + 84/54 = 173/63
In mixed form: 247/63

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