Add 15/3 and 42/80, Solve 5 0/3 + 42/80 as a fraction

Add 15/3 and 42/80

1^st number: 5 0/3, 2^nd number: 42/80

15/3 + 42/80 is 221/40.

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,
15/3 = 15 × 80/3 × 80 = 1200/240
Likewise, for the 2nd fraction, since 80 × 3 = 240,
42/80 = 42 × 3/80 × 3 = 126/240
Add the two like fractions:
1200/240 + 126/240 = 1200 + 126/240 = 1326/240
1326/240 simplified gives 221/40
So, 15/3 + 42/80 = 221/40
In mixed form: 521/40

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