Add 10/15 and 81/80, Solve 10/15 + 1 1/80 as a fraction

Add 10/15 and 81/80

1^st number: 10/15, 2^nd number: 1 1/80

10/15 + 81/80 is 403/240.

Find the least common denominator or LCM of the two denominators:
LCM of 15 and 80 is 240

Next, find the equivalent fraction of both fractional numbers with denominator 240
For the 1st fraction, since 15 × 16 = 240,
10/15 = 10 × 16/15 × 16 = 160/240
Likewise, for the 2nd fraction, since 80 × 3 = 240,
81/80 = 81 × 3/80 × 3 = 243/240
Add the two like fractions:
160/240 + 243/240 = 160 + 243/240 = 403/240
So, 10/15 + 81/80 = 403/240
In mixed form: 1163/240

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