Add 7/81 and 40/63
7/81 + 40/63 is 409/567.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 81 and 63 is 567
Next, find the equivalent fraction of both fractional numbers with denominator 567 - For the 1st fraction, since 81 × 7 = 567,
7/81 = 7 × 7/81 × 7 = 49/567 - Likewise, for the 2nd fraction, since 63 × 9 = 567,
40/63 = 40 × 9/63 × 9 = 360/567 - Add the two like fractions:
49/567 + 360/567 = 49 + 360/567 = 409/567 - So, 7/81 + 40/63 = 409/567
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