Add 28/42 and 45/36, Solve 28/42 + 1 9/36 as a fraction

Add 28/42 and 45/36

1^st number: 28/42, 2^nd number: 1 9/36

28/42 + 45/36 is 23/12.

Find the least common denominator or LCM of the two denominators:
LCM of 42 and 36 is 252

Next, find the equivalent fraction of both fractional numbers with denominator 252
For the 1st fraction, since 42 × 6 = 252,
28/42 = 28 × 6/42 × 6 = 168/252
Likewise, for the 2nd fraction, since 36 × 7 = 252,
45/36 = 45 × 7/36 × 7 = 315/252
Add the two like fractions:
168/252 + 315/252 = 168 + 315/252 = 483/252
483/252 simplified gives 23/12
So, 28/42 + 45/36 = 23/12
In mixed form: 111/12

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