Add 18/4 and 72/30, Solve 4 2/4 + 2 12/30 as a fraction

Add 18/4 and 72/30

1^st number: 4 2/4, 2^nd number: 2 12/30

18/4 + 72/30 is 69/10.

Find the least common denominator or LCM of the two denominators:
LCM of 4 and 30 is 60

Next, find the equivalent fraction of both fractional numbers with denominator 60
For the 1st fraction, since 4 × 15 = 60,
18/4 = 18 × 15/4 × 15 = 270/60
Likewise, for the 2nd fraction, since 30 × 2 = 60,
72/30 = 72 × 2/30 × 2 = 144/60
Add the two like fractions:
270/60 + 144/60 = 270 + 144/60 = 414/60
414/60 simplified gives 69/10
So, 18/4 + 72/30 = 69/10
In mixed form: 69/10

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