Add 5/7 and 25/81
5/7 + 25/81 is 580/567.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 81 is 567
Next, find the equivalent fraction of both fractional numbers with denominator 567 - For the 1st fraction, since 7 × 81 = 567,
5/7 = 5 × 81/7 × 81 = 405/567 - Likewise, for the 2nd fraction, since 81 × 7 = 567,
25/81 = 25 × 7/81 × 7 = 175/567 - Add the two like fractions:
405/567 + 175/567 = 405 + 175/567 = 580/567 - So, 5/7 + 25/81 = 580/567
In mixed form: 113/567
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