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Add 36/72 and 21/4

1st number: 36/72, 2nd number: 5 1/4

36/72 + 21/4 is 23/4.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 72 and 4 is 72

    Next, find the equivalent fraction of both fractional numbers with denominator 72
  2. For the 1st fraction, since 72 × 1 = 72,
    36/72 = 36 × 1/72 × 1 = 36/72
  3. Likewise, for the 2nd fraction, since 4 × 18 = 72,
    21/4 = 21 × 18/4 × 18 = 378/72
  4. Add the two like fractions:
    36/72 + 378/72 = 36 + 378/72 = 414/72
  5. 414/72 simplified gives 23/4
  6. So, 36/72 + 21/4 = 23/4
    In mixed form: 53/4

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