Add 56/12 and 80/72, Solve 4 8/12 + 1 8/72 as a fraction

Add 56/12 and 80/72

1^st number: 4 8/12, 2^nd number: 1 8/72

56/12 + 80/72 is 52/9.

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,
56/12 = 56 × 6/12 × 6 = 336/72
Likewise, for the 2nd fraction, since 72 × 1 = 72,
80/72 = 80 × 1/72 × 1 = 80/72
Add the two like fractions:
336/72 + 80/72 = 336 + 80/72 = 416/72
416/72 simplified gives 52/9
So, 56/12 + 80/72 = 52/9
In mixed form: 57/9

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