Add 81/80 and 10/12, Solve 1 1/80 + 10/12 as a fraction

Add 81/80 and 10/12

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

81/80 + 10/12 is 443/240.

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

Next, find the equivalent fraction of both fractional numbers with denominator 240
For the 1st fraction, since 80 × 3 = 240,
81/80 = 81 × 3/80 × 3 = 243/240
Likewise, for the 2nd fraction, since 12 × 20 = 240,
10/12 = 10 × 20/12 × 20 = 200/240
Add the two like fractions:
243/240 + 200/240 = 243 + 200/240 = 443/240
So, 81/80 + 10/12 = 443/240
In mixed form: 1203/240

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