Add 21/2 and 16/12, Solve 10 1/2 + 1 4/12 as a fraction

Add 21/2 and 16/12

1^st number: 10 1/2, 2^nd number: 1 4/12

21/2 + 16/12 is 71/6.

Find the least common denominator or LCM of the two denominators:
LCM of 2 and 12 is 12

Next, find the equivalent fraction of both fractional numbers with denominator 12
For the 1st fraction, since 2 × 6 = 12,
21/2 = 21 × 6/2 × 6 = 126/12
Likewise, for the 2nd fraction, since 12 × 1 = 12,
16/12 = 16 × 1/12 × 1 = 16/12
Add the two like fractions:
126/12 + 16/12 = 126 + 16/12 = 142/12
142/12 simplified gives 71/6
So, 21/2 + 16/12 = 71/6
In mixed form: 115/6

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