Add 10/80 and 35/9, Solve 10/80 + 3 8/9 as a fraction

Add 10/80 and 35/9

1^st number: 10/80, 2^nd number: 3 8/9

10/80 + 35/9 is 289/72.

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,
10/80 = 10 × 9/80 × 9 = 90/720
Likewise, for the 2nd fraction, since 9 × 80 = 720,
35/9 = 35 × 80/9 × 80 = 2800/720
Add the two like fractions:
90/720 + 2800/720 = 90 + 2800/720 = 2890/720
2890/720 simplified gives 289/72
So, 10/80 + 35/9 = 289/72
In mixed form: 41/72

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