Add 45/14 and 18/12, Solve 3 3/14 + 1 6/12 as a fraction

Add 45/14 and 18/12

1^st number: 3 3/14, 2^nd number: 1 6/12

45/14 + 18/12 is 33/7.

Find the least common denominator or LCM of the two denominators:
LCM of 14 and 12 is 84

Next, find the equivalent fraction of both fractional numbers with denominator 84
For the 1st fraction, since 14 × 6 = 84,
45/14 = 45 × 6/14 × 6 = 270/84
Likewise, for the 2nd fraction, since 12 × 7 = 84,
18/12 = 18 × 7/12 × 7 = 126/84
Add the two like fractions:
270/84 + 126/84 = 270 + 126/84 = 396/84
396/84 simplified gives 33/7
So, 45/14 + 18/12 = 33/7
In mixed form: 45/7

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