Add 81/27 and 2/20
1st number: 3 0/27, 2nd number: 2/20
81/27 + 2/20 is 31/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 20 is 540
Next, find the equivalent fraction of both fractional numbers with denominator 540 - For the 1st fraction, since 27 × 20 = 540,
81/27 = 81 × 20/27 × 20 = 1620/540 - Likewise, for the 2nd fraction, since 20 × 27 = 540,
2/20 = 2 × 27/20 × 27 = 54/540 - Add the two like fractions:
1620/540 + 54/540 = 1620 + 54/540 = 1674/540 - 1674/540 simplified gives 31/10
- So, 81/27 + 2/20 = 31/10
In mixed form: 31/10
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