Add 81/12 and 10/80, Solve 6 9/12 + 10/80 as a fraction

Add 81/12 and 10/80

1^st number: 6 9/12, 2^nd number: 10/80

81/12 + 10/80 is 55/8.

Find the least common denominator or LCM of the two denominators:
LCM of 12 and 80 is 240

Next, find the equivalent fraction of both fractional numbers with denominator 240
For the 1st fraction, since 12 × 20 = 240,
81/12 = 81 × 20/12 × 20 = 1620/240
Likewise, for the 2nd fraction, since 80 × 3 = 240,
10/80 = 10 × 3/80 × 3 = 30/240
Add the two like fractions:
1620/240 + 30/240 = 1620 + 30/240 = 1650/240
1650/240 simplified gives 55/8
So, 81/12 + 10/80 = 55/8
In mixed form: 67/8

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