Add 9/80 and 15/9, Solve 9/80 + 1 6/9 as a fraction

Add 9/80 and 15/9

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

9/80 + 15/9 is 427/240.

Find the least common denominator or LCM of the two denominators:
LCM of 80 and 9 is 720

Next, find the equivalent fraction of both fractional numbers with denominator 720
For the 1st fraction, since 80 × 9 = 720,
9/80 = 9 × 9/80 × 9 = 81/720
Likewise, for the 2nd fraction, since 9 × 80 = 720,
15/9 = 15 × 80/9 × 80 = 1200/720
Add the two like fractions:
81/720 + 1200/720 = 81 + 1200/720 = 1281/720
1281/720 simplified gives 427/240
So, 9/80 + 15/9 = 427/240
In mixed form: 1187/240

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