Add 36/12 and 49/28, Solve 3 0/12 + 1 21/28 as a fraction

Add 36/12 and 49/28

1^st number: 3 0/12, 2^nd number: 1 21/28

36/12 + 49/28 is 19/4.

Find the least common denominator or LCM of the two denominators:
LCM of 12 and 28 is 84

Next, find the equivalent fraction of both fractional numbers with denominator 84
For the 1st fraction, since 12 × 7 = 84,
36/12 = 36 × 7/12 × 7 = 252/84
Likewise, for the 2nd fraction, since 28 × 3 = 84,
49/28 = 49 × 3/28 × 3 = 147/84
Add the two like fractions:
252/84 + 147/84 = 252 + 147/84 = 399/84
399/84 simplified gives 19/4
So, 36/12 + 49/28 = 19/4
In mixed form: 43/4

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