Add 45/3 and 72/15, Solve 15 0/3 + 4 12/15 as a fraction

Add 45/3 and 72/15

1^st number: 15 0/3, 2^nd number: 4 12/15

45/3 + 72/15 is 99/5.

Find the least common denominator or LCM of the two denominators:
LCM of 3 and 15 is 15

Next, find the equivalent fraction of both fractional numbers with denominator 15
For the 1st fraction, since 3 × 5 = 15,
45/3 = 45 × 5/3 × 5 = 225/15
Likewise, for the 2nd fraction, since 15 × 1 = 15,
72/15 = 72 × 1/15 × 1 = 72/15
Add the two like fractions:
225/15 + 72/15 = 225 + 72/15 = 297/15
297/15 simplified gives 99/5
So, 45/3 + 72/15 = 99/5
In mixed form: 194/5

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