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Add 5/4 and 42/9

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

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

Steps for adding fractions

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

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

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