Add 16/9 and 45/80, Solve 1 7/9 + 45/80 as a fraction

Add 16/9 and 45/80

1^st number: 1 7/9, 2^nd number: 45/80

16/9 + 45/80 is 337/144.

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

Next, find the equivalent fraction of both fractional numbers with denominator 720
For the 1st fraction, since 9 × 80 = 720,
16/9 = 16 × 80/9 × 80 = 1280/720
Likewise, for the 2nd fraction, since 80 × 9 = 720,
45/80 = 45 × 9/80 × 9 = 405/720
Add the two like fractions:
1280/720 + 405/720 = 1280 + 405/720 = 1685/720
1685/720 simplified gives 337/144
So, 16/9 + 45/80 = 337/144
In mixed form: 249/144

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