Add 28/15 and 72/12, Solve 1 13/15 + 6 0/12 as a fraction

Add 28/15 and 72/12

1^st number: 1 13/15, 2^nd number: 6 0/12

28/15 + 72/12 is 118/15.

Find the least common denominator or LCM of the two denominators:
LCM of 15 and 12 is 60

Next, find the equivalent fraction of both fractional numbers with denominator 60
For the 1st fraction, since 15 × 4 = 60,
28/15 = 28 × 4/15 × 4 = 112/60
Likewise, for the 2nd fraction, since 12 × 5 = 60,
72/12 = 72 × 5/12 × 5 = 360/60
Add the two like fractions:
112/60 + 360/60 = 112 + 360/60 = 472/60
472/60 simplified gives 118/15
So, 28/15 + 72/12 = 118/15
In mixed form: 713/15

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