Add 54/12 and 9/80, Solve 4 6/12 + 9/80 as a fraction

Add 54/12 and 9/80

1^st number: 4 6/12, 2^nd number: 9/80

54/12 + 9/80 is 369/80.

Find the least common denominator or LCM of the two denominators:
LCM of 12 and 80 is 240

Next, find the equivalent fraction of both fractional numbers with denominator 240
For the 1st fraction, since 12 × 20 = 240,
54/12 = 54 × 20/12 × 20 = 1080/240
Likewise, for the 2nd fraction, since 80 × 3 = 240,
9/80 = 9 × 3/80 × 3 = 27/240
Add the two like fractions:
1080/240 + 27/240 = 1080 + 27/240 = 1107/240
1107/240 simplified gives 369/80
So, 54/12 + 9/80 = 369/80
In mixed form: 449/80

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