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Add 6/15 and 42/90

6/15 + 42/90 is 13/15.

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,
    6/15 = 6 × 6/15 × 6 = 36/90
  3. Likewise, for the 2nd fraction, since 90 × 1 = 90,
    42/90 = 42 × 1/90 × 1 = 42/90
  4. Add the two like fractions:
    36/90 + 42/90 = 36 + 42/90 = 78/90
  5. 78/90 simplified gives 13/15
  6. So, 6/15 + 42/90 = 13/15

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