Add 75/63 and 56/54, Solve 1 12/63 + 1 2/54 as a fraction

Add 75/63 and 56/54

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

75/63 + 56/54 is 421/189.

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,
75/63 = 75 × 6/63 × 6 = 450/378
Likewise, for the 2nd fraction, since 54 × 7 = 378,
56/54 = 56 × 7/54 × 7 = 392/378
Add the two like fractions:
450/378 + 392/378 = 450 + 392/378 = 842/378
842/378 simplified gives 421/189
So, 75/63 + 56/54 = 421/189
In mixed form: 243/189

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