Add 16/20 and 81/30
1st number: 16/20, 2nd number: 2 21/30
16/20 + 81/30 is 7/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 30 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 20 × 3 = 60,
16/20 = 16 × 3/20 × 3 = 48/60 - Likewise, for the 2nd fraction, since 30 × 2 = 60,
81/30 = 81 × 2/30 × 2 = 162/60 - Add the two like fractions:
48/60 + 162/60 = 48 + 162/60 = 210/60 - 210/60 simplified gives 7/2
- So, 16/20 + 81/30 = 7/2
In mixed form: 31/2
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