Add 15/4 and 63/18, Solve 3 3/4 + 3 9/18 as a fraction

Add 15/4 and 63/18

1^st number: 3 3/4, 2^nd number: 3 9/18

15/4 + 63/18 is 29/4.

Find the least common denominator or LCM of the two denominators:
LCM of 4 and 18 is 36

Next, find the equivalent fraction of both fractional numbers with denominator 36
For the 1st fraction, since 4 × 9 = 36,
15/4 = 15 × 9/4 × 9 = 135/36
Likewise, for the 2nd fraction, since 18 × 2 = 36,
63/18 = 63 × 2/18 × 2 = 126/36
Add the two like fractions:
135/36 + 126/36 = 135 + 126/36 = 261/36
261/36 simplified gives 29/4
So, 15/4 + 63/18 = 29/4
In mixed form: 71/4

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