Add 27/60 and 90/81
1st number: 27/60, 2nd number: 1 9/81
27/60 + 90/81 is 281/180.
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,
90/81 = 90 × 20/81 × 20 = 1800/1620 - Add the two like fractions:
729/1620 + 1800/1620 = 729 + 1800/1620 = 2529/1620 - 2529/1620 simplified gives 281/180
- So, 27/60 + 90/81 = 281/180
In mixed form: 1101/180
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