Add 28/12 and 12/72, Solve 2 4/12 + 12/72 as a fraction

Add 28/12 and 12/72

1^st number: 2 4/12, 2^nd number: 12/72

28/12 + 12/72 is 5/2.

Find the least common denominator or LCM of the two denominators:
LCM of 12 and 72 is 72

Next, find the equivalent fraction of both fractional numbers with denominator 72
For the 1st fraction, since 12 × 6 = 72,
28/12 = 28 × 6/12 × 6 = 168/72
Likewise, for the 2nd fraction, since 72 × 1 = 72,
12/72 = 12 × 1/72 × 1 = 12/72
Add the two like fractions:
168/72 + 12/72 = 168 + 12/72 = 180/72
180/72 simplified gives 5/2
So, 28/12 + 12/72 = 5/2
In mixed form: 21/2

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