Add 15/80 and 7/9, Solve 15/80 + 7/9 as a fraction

Add 15/80 and 7/9

15/80 + 7/9 is 139/144.

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,
15/80 = 15 × 9/80 × 9 = 135/720
Likewise, for the 2nd fraction, since 9 × 80 = 720,
7/9 = 7 × 80/9 × 80 = 560/720
Add the two like fractions:
135/720 + 560/720 = 135 + 560/720 = 695/720
695/720 simplified gives 139/144
So, 15/80 + 7/9 = 139/144

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