Add 63/18 and 7/4, Solve 3 9/18 + 1 3/4 as a fraction

Add 63/18 and 7/4

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

63/18 + 7/4 is 21/4.

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

Next, find the equivalent fraction of both fractional numbers with denominator 36
For the 1st fraction, since 18 × 2 = 36,
63/18 = 63 × 2/18 × 2 = 126/36
Likewise, for the 2nd fraction, since 4 × 9 = 36,
7/4 = 7 × 9/4 × 9 = 63/36
Add the two like fractions:
126/36 + 63/36 = 126 + 63/36 = 189/36
189/36 simplified gives 21/4
So, 63/18 + 7/4 = 21/4
In mixed form: 51/4

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