Add 60/9 and 42/80, Solve 6 6/9 + 42/80 as a fraction

Add 60/9 and 42/80

1^st number: 6 6/9, 2^nd number: 42/80

60/9 + 42/80 is 863/120.

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,
60/9 = 60 × 80/9 × 80 = 4800/720
Likewise, for the 2nd fraction, since 80 × 9 = 720,
42/80 = 42 × 9/80 × 9 = 378/720
Add the two like fractions:
4800/720 + 378/720 = 4800 + 378/720 = 5178/720
5178/720 simplified gives 863/120
So, 60/9 + 42/80 = 863/120
In mixed form: 723/120

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