Add 27/30 and 54/81
27/30 + 54/81 is 47/30.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 81 is 810
Next, find the equivalent fraction of both fractional numbers with denominator 810 - For the 1st fraction, since 30 × 27 = 810,
27/30 = 27 × 27/30 × 27 = 729/810 - Likewise, for the 2nd fraction, since 81 × 10 = 810,
54/81 = 54 × 10/81 × 10 = 540/810 - Add the two like fractions:
729/810 + 540/810 = 729 + 540/810 = 1269/810 - 1269/810 simplified gives 47/30
- So, 27/30 + 54/81 = 47/30
In mixed form: 117/30
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