Add 90/6 and 72/15, Solve 15 0/6 + 4 12/15 as a fraction

Add 90/6 and 72/15

1^st number: 15 0/6, 2^nd number: 4 12/15

90/6 + 72/15 is 99/5.

Find the least common denominator or LCM of the two denominators:
LCM of 6 and 15 is 30

Next, find the equivalent fraction of both fractional numbers with denominator 30
For the 1st fraction, since 6 × 5 = 30,
90/6 = 90 × 5/6 × 5 = 450/30
Likewise, for the 2nd fraction, since 15 × 2 = 30,
72/15 = 72 × 2/15 × 2 = 144/30
Add the two like fractions:
450/30 + 144/30 = 450 + 144/30 = 594/30
594/30 simplified gives 99/5
So, 90/6 + 72/15 = 99/5
In mixed form: 194/5

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