Add 3/7 and 40/81
3/7 + 40/81 is 523/567.
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,
3/7 = 3 × 81/7 × 81 = 243/567 - Likewise, for the 2nd fraction, since 81 × 7 = 567,
40/81 = 40 × 7/81 × 7 = 280/567 - Add the two like fractions:
243/567 + 280/567 = 243 + 280/567 = 523/567 - So, 3/7 + 40/81 = 523/567
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