Add 15/20 and 81/3
1st number: 15/20, 2nd number: 27 0/3
15/20 + 81/3 is 111/4.
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,
15/20 = 15 × 3/20 × 3 = 45/60 - Likewise, for the 2nd fraction, since 3 × 20 = 60,
81/3 = 81 × 20/3 × 20 = 1620/60 - Add the two like fractions:
45/60 + 1620/60 = 45 + 1620/60 = 1665/60 - 1665/60 simplified gives 111/4
- So, 15/20 + 81/3 = 111/4
In mixed form: 273/4
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