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Add 6/15 and 42/45

6/15 + 42/45 is 4/3.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 15 and 45 is 45
  2. For the 1st fraction, since 15 × 3 = 45,
    6/15 = 6 × 3/15 × 3 = 18/45
  3. Likewise, for the 2nd fraction, since 45 × 1 = 45,
    42/45 = 42 × 1/45 × 1 = 42/45
  4. Add the two fractions:
    18/45 + 42/45 = 18 + 42/45 = 60/45
  5. 60/45 simplified gives 4/3
  6. So, 6/15 + 42/45 = 4/3
    In mixed form: 11/3

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