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Add 56/72 and 15/12

1st number: 56/72, 2nd number: 1 3/12

56/72 + 15/12 is 73/36.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 72 and 12 is 72

    Next, find the equivalent fraction of both fractional numbers with denominator 72
  2. For the 1st fraction, since 72 × 1 = 72,
    56/72 = 56 × 1/72 × 1 = 56/72
  3. Likewise, for the 2nd fraction, since 12 × 6 = 72,
    15/12 = 15 × 6/12 × 6 = 90/72
  4. Add the two like fractions:
    56/72 + 90/72 = 56 + 90/72 = 146/72
  5. 146/72 simplified gives 73/36
  6. So, 56/72 + 15/12 = 73/36
    In mixed form: 21/36

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