Add 15/3 and 81/40, Solve 5 0/3 + 2 1/40 as a fraction

Add 15/3 and 81/40

1^st number: 5 0/3, 2^nd number: 2 1/40

15/3 + 81/40 is 281/40.

Find the least common denominator or LCM of the two denominators:
LCM of 3 and 40 is 120

Next, find the equivalent fraction of both fractional numbers with denominator 120
For the 1st fraction, since 3 × 40 = 120,
15/3 = 15 × 40/3 × 40 = 600/120
Likewise, for the 2nd fraction, since 40 × 3 = 120,
81/40 = 81 × 3/40 × 3 = 243/120
Add the two like fractions:
600/120 + 243/120 = 600 + 243/120 = 843/120
843/120 simplified gives 281/40
So, 15/3 + 81/40 = 281/40
In mixed form: 71/40

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