Add 16/4 and 21/18, Solve 4 0/4 + 1 3/18 as a fraction

Add 16/4 and 21/18

1^st number: 4 0/4, 2^nd number: 1 3/18

16/4 + 21/18 is 31/6.

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,
16/4 = 16 × 9/4 × 9 = 144/36
Likewise, for the 2nd fraction, since 18 × 2 = 36,
21/18 = 21 × 2/18 × 2 = 42/36
Add the two like fractions:
144/36 + 42/36 = 144 + 42/36 = 186/36
186/36 simplified gives 31/6
So, 16/4 + 21/18 = 31/6
In mixed form: 51/6

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