Add 45/12 and 9/16, Solve 3 9/12 + 9/16 as a fraction

Add 45/12 and 9/16

1^st number: 3 9/12, 2^nd number: 9/16

45/12 + 9/16 is 69/16.

Find the least common denominator or LCM of the two denominators:
LCM of 12 and 16 is 48

Next, find the equivalent fraction of both fractional numbers with denominator 48
For the 1st fraction, since 12 × 4 = 48,
45/12 = 45 × 4/12 × 4 = 180/48
Likewise, for the 2nd fraction, since 16 × 3 = 48,
9/16 = 9 × 3/16 × 3 = 27/48
Add the two like fractions:
180/48 + 27/48 = 180 + 27/48 = 207/48
207/48 simplified gives 69/16
So, 45/12 + 9/16 = 69/16
In mixed form: 45/16

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