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Add 42/9 and 5/4

1st number: 4 6/9, 2nd number: 1 1/4

42/9 + 5/4 is 71/12.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 9 and 4 is 36

    Next, find the equivalent fraction of both fractional numbers with denominator 36
  2. For the 1st fraction, since 9 × 4 = 36,
    42/9 = 42 × 4/9 × 4 = 168/36
  3. Likewise, for the 2nd fraction, since 4 × 9 = 36,
    5/4 = 5 × 9/4 × 9 = 45/36
  4. Add the two like fractions:
    168/36 + 45/36 = 168 + 45/36 = 213/36
  5. 213/36 simplified gives 71/12
  6. So, 42/9 + 5/4 = 71/12
    In mixed form: 511/12

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