Add 72/15 and 20/25
1st number: 4 12/15, 2nd number: 20/25
72/15 + 20/25 is 28/5.
Steps for adding fractions
- 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,
20/25 = 20 × 3/25 × 3 = 60/75 - Add the two like fractions:
360/75 + 60/75 = 360 + 60/75 = 420/75 - 420/75 simplified gives 28/5
- So, 72/15 + 20/25 = 28/5
In mixed form: 53/5
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