Add 72/84 and 12/8, Solve 72/84 + 1 4/8 as a fraction

Add 72/84 and 12/8

1^st number: 72/84, 2^nd number: 1 4/8

72/84 + 12/8 is 33/14.

Find the least common denominator or LCM of the two denominators:
LCM of 84 and 8 is 168

Next, find the equivalent fraction of both fractional numbers with denominator 168
For the 1st fraction, since 84 × 2 = 168,
72/84 = 72 × 2/84 × 2 = 144/168
Likewise, for the 2nd fraction, since 8 × 21 = 168,
12/8 = 12 × 21/8 × 21 = 252/168
Add the two like fractions:
144/168 + 252/168 = 144 + 252/168 = 396/168
396/168 simplified gives 33/14
So, 72/84 + 12/8 = 33/14
In mixed form: 25/14

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