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Add 40/7 and 84/9

1st number: 5 5/7, 2nd number: 9 3/9

40/7 + 84/9 is 316/21.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 7 and 9 is 63
  2. For the 1st fraction, since 7 × 9 = 63,
    40/7 = 40 × 9/7 × 9 = 360/63
  3. Likewise, for the 2nd fraction, since 9 × 7 = 63,
    84/9 = 84 × 7/9 × 7 = 588/63
  4. Add the two fractions:
    360/63 + 588/63 = 360 + 588/63 = 948/63
  5. After reducing the fraction, the answer is 316/21
  6. In mixed form: 151/21

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