Add 63/18 and 90/24, Solve 3 9/18 + 3 18/24 as a fraction

Add 63/18 and 90/24

1^st number: 3 9/18, 2^nd number: 3 18/24

63/18 + 90/24 is 29/4.

Find the least common denominator or LCM of the two denominators:
LCM of 18 and 24 is 72

Next, find the equivalent fraction of both fractional numbers with denominator 72
For the 1st fraction, since 18 × 4 = 72,
63/18 = 63 × 4/18 × 4 = 252/72
Likewise, for the 2nd fraction, since 24 × 3 = 72,
90/24 = 90 × 3/24 × 3 = 270/72
Add the two like fractions:
252/72 + 270/72 = 252 + 270/72 = 522/72
522/72 simplified gives 29/4
So, 63/18 + 90/24 = 29/4
In mixed form: 71/4

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