Add 12/3 and 42/80, Solve 4 0/3 + 42/80 as a fraction

Add 12/3 and 42/80

1^st number: 4 0/3, 2^nd number: 42/80

12/3 + 42/80 is 181/40.

Find the least common denominator or LCM of the two denominators:
LCM of 3 and 80 is 240

Next, find the equivalent fraction of both fractional numbers with denominator 240
For the 1st fraction, since 3 × 80 = 240,
12/3 = 12 × 80/3 × 80 = 960/240
Likewise, for the 2nd fraction, since 80 × 3 = 240,
42/80 = 42 × 3/80 × 3 = 126/240
Add the two like fractions:
960/240 + 126/240 = 960 + 126/240 = 1086/240
1086/240 simplified gives 181/40
So, 12/3 + 42/80 = 181/40
In mixed form: 421/40

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