Add 45/54 and 63/12, Solve 45/54 + 5 3/12 as a fraction

Add 45/54 and 63/12

1^st number: 45/54, 2^nd number: 5 3/12

45/54 + 63/12 is 73/12.

Find the least common denominator or LCM of the two denominators:
LCM of 54 and 12 is 108

Next, find the equivalent fraction of both fractional numbers with denominator 108
For the 1st fraction, since 54 × 2 = 108,
45/54 = 45 × 2/54 × 2 = 90/108
Likewise, for the 2nd fraction, since 12 × 9 = 108,
63/12 = 63 × 9/12 × 9 = 567/108
Add the two like fractions:
90/108 + 567/108 = 90 + 567/108 = 657/108
657/108 simplified gives 73/12
So, 45/54 + 63/12 = 73/12
In mixed form: 61/12

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