Add 81/27 and 18/90
1st number: 3 0/27, 2nd number: 18/90
81/27 + 18/90 is 16/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 90 is 270
Next, find the equivalent fraction of both fractional numbers with denominator 270 - For the 1st fraction, since 27 × 10 = 270,
81/27 = 81 × 10/27 × 10 = 810/270 - Likewise, for the 2nd fraction, since 90 × 3 = 270,
18/90 = 18 × 3/90 × 3 = 54/270 - Add the two like fractions:
810/270 + 54/270 = 810 + 54/270 = 864/270 - 864/270 simplified gives 16/5
- So, 81/27 + 18/90 = 16/5
In mixed form: 31/5
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