Add 27/21 and 4/81
1st number: 1 6/21, 2nd number: 4/81
27/21 + 4/81 is 757/567.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 81 is 567
Next, find the equivalent fraction of both fractional numbers with denominator 567 - For the 1st fraction, since 21 × 27 = 567,
27/21 = 27 × 27/21 × 27 = 729/567 - Likewise, for the 2nd fraction, since 81 × 7 = 567,
4/81 = 4 × 7/81 × 7 = 28/567 - Add the two like fractions:
729/567 + 28/567 = 729 + 28/567 = 757/567 - So, 27/21 + 4/81 = 757/567
In mixed form: 1190/567
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