Add 20/75 and 72/15, Solve 20/75 + 4 12/15 as a fraction

Add 20/75 and 72/15

1^st number: 20/75, 2^nd number: 4 12/15

20/75 + 72/15 is 76/15.

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

Next, find the equivalent fraction of both fractional numbers with denominator 75
For the 1st fraction, since 75 × 1 = 75,
20/75 = 20 × 1/75 × 1 = 20/75
Likewise, for the 2nd fraction, since 15 × 5 = 75,
72/15 = 72 × 5/15 × 5 = 360/75
Add the two like fractions:
20/75 + 360/75 = 20 + 360/75 = 380/75
380/75 simplified gives 76/15
So, 20/75 + 72/15 = 76/15
In mixed form: 51/15

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