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Add 28/18 and 4/72

1st number: 1 10/18, 2nd number: 4/72

28/18 + 4/72 is 29/18.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 18 and 72 is 72
  2. For the 1st fraction, since 18 × 4 = 72,
    28/18 = 28 × 4/18 × 4 = 112/72
  3. Likewise, for the 2nd fraction, since 72 × 1 = 72,
    4/72 = 4 × 1/72 × 1 = 4/72
  4. Add the two fractions:
    112/72 + 4/72 = 112 + 4/72 = 116/72
  5. After reducing the fraction, the answer is 29/18
  6. In mixed form: 111/18

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