Add 64/12 and 70/18, Solve 5 4/12 + 3 16/18 as a fraction

Add 64/12 and 70/18

1^st number: 5 4/12, 2^nd number: 3 16/18

64/12 + 70/18 is 83/9.

Find the least common denominator or LCM of the two denominators:
LCM of 12 and 18 is 36

Next, find the equivalent fraction of both fractional numbers with denominator 36
For the 1st fraction, since 12 × 3 = 36,
64/12 = 64 × 3/12 × 3 = 192/36
Likewise, for the 2nd fraction, since 18 × 2 = 36,
70/18 = 70 × 2/18 × 2 = 140/36
Add the two like fractions:
192/36 + 140/36 = 192 + 140/36 = 332/36
332/36 simplified gives 83/9
So, 64/12 + 70/18 = 83/9
In mixed form: 92/9

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