Add 27/60 and 54/81
27/60 + 54/81 is 67/60.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 81 is 1620
Next, find the equivalent fraction of both fractional numbers with denominator 1620 - For the 1st fraction, since 60 × 27 = 1620,
27/60 = 27 × 27/60 × 27 = 729/1620 - Likewise, for the 2nd fraction, since 81 × 20 = 1620,
54/81 = 54 × 20/81 × 20 = 1080/1620 - Add the two like fractions:
729/1620 + 1080/1620 = 729 + 1080/1620 = 1809/1620 - 1809/1620 simplified gives 67/60
- So, 27/60 + 54/81 = 67/60
In mixed form: 17/60
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