Add 28/30 and 42/12, Solve 28/30 + 3 6/12 as a fraction

Add 28/30 and 42/12

1^st number: 28/30, 2^nd number: 3 6/12

28/30 + 42/12 is 133/30.

Find the least common denominator or LCM of the two denominators:
LCM of 30 and 12 is 60

Next, find the equivalent fraction of both fractional numbers with denominator 60
For the 1st fraction, since 30 × 2 = 60,
28/30 = 28 × 2/30 × 2 = 56/60
Likewise, for the 2nd fraction, since 12 × 5 = 60,
42/12 = 42 × 5/12 × 5 = 210/60
Add the two like fractions:
56/60 + 210/60 = 56 + 210/60 = 266/60
266/60 simplified gives 133/30
So, 28/30 + 42/12 = 133/30
In mixed form: 413/30

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