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Add 7/4 and 84/9

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

7/4 + 84/9 is 133/12.

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,
    84/9 = 84 × 4/9 × 4 = 336/36
  4. Add the two fractions:
    63/36 + 336/36 = 63 + 336/36 = 399/36
  5. After reducing the fraction, the answer is 133/12
  6. In mixed form: 111/12

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