Add 45/14 and 56/12, Solve 3 3/14 + 4 8/12 as a fraction

Add 45/14 and 56/12

1^st number: 3 3/14, 2^nd number: 4 8/12

45/14 + 56/12 is 331/42.

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,
56/12 = 56 × 7/12 × 7 = 392/84
Add the two like fractions:
270/84 + 392/84 = 270 + 392/84 = 662/84
662/84 simplified gives 331/42
So, 45/14 + 56/12 = 331/42
In mixed form: 737/42

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