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Add 12/90 and 30/35

12/90 + 30/35 is 104/105.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 90 and 35 is 630

    Next, find the equivalent fraction of both fractional numbers with denominator 630
  2. For the 1st fraction, since 90 × 7 = 630,
    12/90 = 12 × 7/90 × 7 = 84/630
  3. Likewise, for the 2nd fraction, since 35 × 18 = 630,
    30/35 = 30 × 18/35 × 18 = 540/630
  4. Add the two like fractions:
    84/630 + 540/630 = 84 + 540/630 = 624/630
  5. 624/630 simplified gives 104/105
  6. So, 12/90 + 30/35 = 104/105

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