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Add 84/7 and 40/90

1st number: 12 0/7, 2nd number: 40/90

84/7 + 40/90 is 112/9.

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,
    84/7 = 84 × 90/7 × 90 = 7560/630
  3. Likewise, for the 2nd fraction, since 90 × 7 = 630,
    40/90 = 40 × 7/90 × 7 = 280/630
  4. Add the two fractions:
    7560/630 + 280/630 = 7560 + 280/630 = 7840/630
  5. 7840/630 simplified gives 112/9
  6. So, 84/7 + 40/90 = 112/9
    In mixed form: 124/9

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