Add 80/12 and 28/72, Solve 6 8/12 + 28/72 as a fraction

Add 80/12 and 28/72

1^st number: 6 8/12, 2^nd number: 28/72

80/12 + 28/72 is 127/18.

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,
80/12 = 80 × 6/12 × 6 = 480/72
Likewise, for the 2nd fraction, since 72 × 1 = 72,
28/72 = 28 × 1/72 × 1 = 28/72
Add the two like fractions:
480/72 + 28/72 = 480 + 28/72 = 508/72
508/72 simplified gives 127/18
So, 80/12 + 28/72 = 127/18
In mixed form: 71/18

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