Add 45/4 and 9/18, Solve 11 1/4 + 9/18 as a fraction

Add 45/4 and 9/18

1^st number: 11 1/4, 2^nd number: 9/18

45/4 + 9/18 is 47/4.

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,
45/4 = 45 × 9/4 × 9 = 405/36
Likewise, for the 2nd fraction, since 18 × 2 = 36,
9/18 = 9 × 2/18 × 2 = 18/36
Add the two like fractions:
405/36 + 18/36 = 405 + 18/36 = 423/36
423/36 simplified gives 47/4
So, 45/4 + 9/18 = 47/4
In mixed form: 113/4

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