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Add 40/7 and 84/90

1st number: 5 5/7, 2nd number: 84/90

40/7 + 84/90 is 698/105.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 7 and 90 is 630
  2. For the 1st fraction, since 7 × 90 = 630,
    40/7 = 40 × 90/7 × 90 = 3600/630
  3. Likewise, for the 2nd fraction, since 90 × 7 = 630,
    84/90 = 84 × 7/90 × 7 = 588/630
  4. Add the two fractions:
    3600/630 + 588/630 = 3600 + 588/630 = 4188/630
  5. After reducing the fraction, the answer is 698/105
  6. In mixed form: 668/105

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