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Add 5/4 and 21/18

1st number: 1 1/4, 2nd number: 1 3/18

5/4 + 21/18 is 29/12.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 4 and 18 is 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 18 × 2 = 36,
    21/18 = 21 × 2/18 × 2 = 42/36
  4. Add the two fractions:
    45/36 + 42/36 = 45 + 42/36 = 87/36
  5. 87/36 simplified gives 29/12
  6. So, 5/4 + 21/18 = 29/12
    In mixed form: 25/12

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