Add 72/15 and 28/25, Solve 4 12/15 + 1 3/25 as a fraction

Add 72/15 and 28/25

1^st number: 4 12/15, 2^nd number: 1 3/25

72/15 + 28/25 is 148/25.

Find the least common denominator or LCM of the two denominators:
LCM of 15 and 25 is 75

Next, find the equivalent fraction of both fractional numbers with denominator 75
For the 1st fraction, since 15 × 5 = 75,
72/15 = 72 × 5/15 × 5 = 360/75
Likewise, for the 2nd fraction, since 25 × 3 = 75,
28/25 = 28 × 3/25 × 3 = 84/75
Add the two like fractions:
360/75 + 84/75 = 360 + 84/75 = 444/75
444/75 simplified gives 148/25
So, 72/15 + 28/25 = 148/25
In mixed form: 523/25

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