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Add 40/14 and 84/90

1st number: 2 12/14, 2nd number: 84/90

40/14 + 84/90 is 398/105.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 14 and 90 is 630
  2. For the 1st fraction, since 14 × 45 = 630,
    40/14 = 40 × 45/14 × 45 = 1800/630
  3. Likewise, for the 2nd fraction, since 90 × 7 = 630,
    84/90 = 84 × 7/90 × 7 = 588/630
  4. Add the two fractions:
    1800/630 + 588/630 = 1800 + 588/630 = 2388/630
  5. After reducing the fraction, the answer is 398/105
  6. In mixed form: 383/105

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