Add 27/20 and 81/30
1st number: 1 7/20, 2nd number: 2 21/30
27/20 + 81/30 is 81/20.
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,
27/20 = 27 × 3/20 × 3 = 81/60 - Likewise, for the 2nd fraction, since 30 × 2 = 60,
81/30 = 81 × 2/30 × 2 = 162/60 - Add the two like fractions:
81/60 + 162/60 = 81 + 162/60 = 243/60 - 243/60 simplified gives 81/20
- So, 27/20 + 81/30 = 81/20
In mixed form: 41/20
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