Add 30/20 and 81/3
1st number: 1 10/20, 2nd number: 27 0/3
30/20 + 81/3 is 57/2.
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,
30/20 = 30 × 3/20 × 3 = 90/60 - Likewise, for the 2nd fraction, since 3 × 20 = 60,
81/3 = 81 × 20/3 × 20 = 1620/60 - Add the two like fractions:
90/60 + 1620/60 = 90 + 1620/60 = 1710/60 - 1710/60 simplified gives 57/2
- So, 30/20 + 81/3 = 57/2
In mixed form: 281/2
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