Add 3/2 and 12/84, Solve 1 1/2 + 12/84 as a fraction

Add 3/2 and 12/84

1^st number: 1 1/2, 2^nd number: 12/84

3/2 + 12/84 is 23/14.

Find the least common denominator or LCM of the two denominators:
LCM of 2 and 84 is 84

Next, find the equivalent fraction of both fractional numbers with denominator 84
For the 1st fraction, since 2 × 42 = 84,
3/2 = 3 × 42/2 × 42 = 126/84
Likewise, for the 2nd fraction, since 84 × 1 = 84,
12/84 = 12 × 1/84 × 1 = 12/84
Add the two like fractions:
126/84 + 12/84 = 126 + 12/84 = 138/84
138/84 simplified gives 23/14
So, 3/2 + 12/84 = 23/14
In mixed form: 19/14

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