Add 72/20 and 15/3
1st number: 3 12/20, 2nd number: 5 0/3
72/20 + 15/3 is 43/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 3 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 20 × 3 = 60,
72/20 = 72 × 3/20 × 3 = 216/60 - Likewise, for the 2nd fraction, since 3 × 20 = 60,
15/3 = 15 × 20/3 × 20 = 300/60 - Add the two like fractions:
216/60 + 300/60 = 216 + 300/60 = 516/60 - 516/60 simplified gives 43/5
- So, 72/20 + 15/3 = 43/5
In mixed form: 83/5
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