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Add 18/7 and 12/90

1st number: 2 4/7, 2nd number: 12/90

18/7 + 12/90 is 284/105.

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,
    18/7 = 18 × 90/7 × 90 = 1620/630
  3. Likewise, for the 2nd fraction, since 90 × 7 = 630,
    12/90 = 12 × 7/90 × 7 = 84/630
  4. Add the two fractions:
    1620/630 + 84/630 = 1620 + 84/630 = 1704/630
  5. 1704/630 simplified gives 284/105
  6. So, 18/7 + 12/90 = 284/105
    In mixed form: 274/105

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