Add 30/80 and 40/9, Solve 30/80 + 4 4/9 as a fraction

Add 30/80 and 40/9

1^st number: 30/80, 2^nd number: 4 4/9

30/80 + 40/9 is 347/72.

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,
30/80 = 30 × 9/80 × 9 = 270/720
Likewise, for the 2nd fraction, since 9 × 80 = 720,
40/9 = 40 × 80/9 × 80 = 3200/720
Add the two like fractions:
270/720 + 3200/720 = 270 + 3200/720 = 3470/720
3470/720 simplified gives 347/72
So, 30/80 + 40/9 = 347/72
In mixed form: 459/72

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