Add 72/18 and 27/80, Solve 4 0/18 + 27/80 as a fraction

Add 72/18 and 27/80

1^st number: 4 0/18, 2^nd number: 27/80

72/18 + 27/80 is 347/80.

Find the least common denominator or LCM of the two denominators:
LCM of 18 and 80 is 720

Next, find the equivalent fraction of both fractional numbers with denominator 720
For the 1st fraction, since 18 × 40 = 720,
72/18 = 72 × 40/18 × 40 = 2880/720
Likewise, for the 2nd fraction, since 80 × 9 = 720,
27/80 = 27 × 9/80 × 9 = 243/720
Add the two like fractions:
2880/720 + 243/720 = 2880 + 243/720 = 3123/720
3123/720 simplified gives 347/80
So, 72/18 + 27/80 = 347/80
In mixed form: 427/80

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