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Add 90/42 and 60/9

1st number: 2 6/42, 2nd number: 6 6/9

90/42 + 60/9 is 185/21.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 42 and 9 is 126
  2. For the 1st fraction, since 42 × 3 = 126,
    90/42 = 90 × 3/42 × 3 = 270/126
  3. Likewise, for the 2nd fraction, since 9 × 14 = 126,
    60/9 = 60 × 14/9 × 14 = 840/126
  4. Add the two fractions:
    270/126 + 840/126 = 270 + 840/126 = 1110/126
  5. 1110/126 simplified gives 185/21
  6. So, 90/42 + 60/9 = 185/21
    In mixed form: 817/21

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