Add 72/15 and 21/50, Solve 4 12/15 + 21/50 as a fraction

Add 72/15 and 21/50

1^st number: 4 12/15, 2^nd number: 21/50

72/15 + 21/50 is 261/50.

Find the least common denominator or LCM of the two denominators:
LCM of 15 and 50 is 150

Next, find the equivalent fraction of both fractional numbers with denominator 150
For the 1st fraction, since 15 × 10 = 150,
72/15 = 72 × 10/15 × 10 = 720/150
Likewise, for the 2nd fraction, since 50 × 3 = 150,
21/50 = 21 × 3/50 × 3 = 63/150
Add the two like fractions:
720/150 + 63/150 = 720 + 63/150 = 783/150
783/150 simplified gives 261/50
So, 72/15 + 21/50 = 261/50
In mixed form: 511/50

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