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Add 27/15 and 27/90

1st number: 1 12/15, 2nd number: 27/90

27/15 + 27/90 is 21/10.

Steps for adding fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 90
  2. For the 1st fraction, since 15 × 6 = 90,
    27/15 = 27 × 6/15 × 6 = 162/90
  3. Likewise, for the 2nd fraction, since 90 × 1 = 90,
    27/90 = 27 × 1/90 × 1 = 27/90
  4. Add the two like fractions:
    162/90 + 27/90 = 162 + 27/90 = 189/90
  5. 189/90 simplified gives 21/10
  6. So, 27/15 + 27/90 = 21/10
    In mixed form: 21/10

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