Add 42/9 and 8/80, Solve 4 6/9 + 8/80 as a fraction

Add 42/9 and 8/80

1^st number: 4 6/9, 2^nd number: 8/80

42/9 + 8/80 is 143/30.

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,
42/9 = 42 × 80/9 × 80 = 3360/720
Likewise, for the 2nd fraction, since 80 × 9 = 720,
8/80 = 8 × 9/80 × 9 = 72/720
Add the two like fractions:
3360/720 + 72/720 = 3360 + 72/720 = 3432/720
3432/720 simplified gives 143/30
So, 42/9 + 8/80 = 143/30
In mixed form: 423/30

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