Add 27/10 and 30/20
1st number: 2 7/10, 2nd number: 1 10/20
27/10 + 30/20 is 21/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 20 is 20
Next, find the equivalent fraction of both fractional numbers with denominator 20 - For the 1st fraction, since 10 × 2 = 20,
27/10 = 27 × 2/10 × 2 = 54/20 - Likewise, for the 2nd fraction, since 20 × 1 = 20,
30/20 = 30 × 1/20 × 1 = 30/20 - Add the two like fractions:
54/20 + 30/20 = 54 + 30/20 = 84/20 - 84/20 simplified gives 21/5
- So, 27/10 + 30/20 = 21/5
In mixed form: 41/5
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