Add 10/20 and 81/30
1st number: 10/20, 2nd number: 2 21/30
10/20 + 81/30 is 16/5.
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,
10/20 = 10 × 3/20 × 3 = 30/60 - Likewise, for the 2nd fraction, since 30 × 2 = 60,
81/30 = 81 × 2/30 × 2 = 162/60 - Add the two like fractions:
30/60 + 162/60 = 30 + 162/60 = 192/60 - 192/60 simplified gives 16/5
- So, 10/20 + 81/30 = 16/5
In mixed form: 31/5
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