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Add 56/15 and 42/18

1st number: 3 11/15, 2nd number: 2 6/18

56/15 + 42/18 is 91/15.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 15 and 18 is 90
  2. For the 1st fraction, since 15 × 6 = 90,
    56/15 = 56 × 6/15 × 6 = 336/90
  3. Likewise, for the 2nd fraction, since 18 × 5 = 90,
    42/18 = 42 × 5/18 × 5 = 210/90
  4. Add the two fractions:
    336/90 + 210/90 = 336 + 210/90 = 546/90
  5. 546/90 simplified gives 91/15
  6. So, 56/15 + 42/18 = 91/15
    In mixed form: 61/15

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