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Add 90/15 and 42/18

1st number: 6 0/15, 2nd number: 2 6/18

90/15 + 42/18 is 25/3.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 15 and 18 is 90

    Next, find the equivalent fraction of both fractional numbers with denominator 90
  2. For the 1st fraction, since 15 × 6 = 90,
    90/15 = 90 × 6/15 × 6 = 540/90
  3. Likewise, for the 2nd fraction, since 18 × 5 = 90,
    42/18 = 42 × 5/18 × 5 = 210/90
  4. Add the two like fractions:
    540/90 + 210/90 = 540 + 210/90 = 750/90
  5. 750/90 simplified gives 25/3
  6. So, 90/15 + 42/18 = 25/3
    In mixed form: 81/3

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