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Add 6/9 and 42/45

6/9 + 42/45 is 8/5.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 9 and 45 is 45
  2. For the 1st fraction, since 9 × 5 = 45,
    6/9 = 6 × 5/9 × 5 = 30/45
  3. Likewise, for the 2nd fraction, since 45 × 1 = 45,
    42/45 = 42 × 1/45 × 1 = 42/45
  4. Add the two fractions:
    30/45 + 42/45 = 30 + 42/45 = 72/45
  5. 72/45 simplified gives 8/5
  6. So, 6/9 + 42/45 = 8/5
    In mixed form: 13/5

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