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Add 7/4 and 28/9

1st number: 1 3/4, 2nd number: 3 1/9

7/4 + 28/9 is 175/36.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 4 and 9 is 36
  2. For the 1st fraction, since 4 × 9 = 36,
    7/4 = 7 × 9/4 × 9 = 63/36
  3. Likewise, for the 2nd fraction, since 9 × 4 = 36,
    28/9 = 28 × 4/9 × 4 = 112/36
  4. Add the two fractions:
    63/36 + 112/36 = 63 + 112/36 = 175/36
  5. In mixed form: 431/36

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