Add 15/6 and 84/40, Solve 2 3/6 + 2 4/40 as a fraction

Add 15/6 and 84/40

1^st number: 2 3/6, 2^nd number: 2 4/40

15/6 + 84/40 is 23/5.

Find the least common denominator or LCM of the two denominators:
LCM of 6 and 40 is 120

Next, find the equivalent fraction of both fractional numbers with denominator 120
For the 1st fraction, since 6 × 20 = 120,
15/6 = 15 × 20/6 × 20 = 300/120
Likewise, for the 2nd fraction, since 40 × 3 = 120,
84/40 = 84 × 3/40 × 3 = 252/120
Add the two like fractions:
300/120 + 252/120 = 300 + 252/120 = 552/120
552/120 simplified gives 23/5
So, 15/6 + 84/40 = 23/5
In mixed form: 43/5

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