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Add 21/12 and 50/72

1st number: 1 9/12, 2nd number: 50/72

21/12 + 50/72 is 22/9.

Steps for adding fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 72
  2. For the 1st fraction, since 12 × 6 = 72,
    21/12 = 21 × 6/12 × 6 = 126/72
  3. Likewise, for the 2nd fraction, since 72 × 1 = 72,
    50/72 = 50 × 1/72 × 1 = 50/72
  4. Add the two like fractions:
    126/72 + 50/72 = 126 + 50/72 = 176/72
  5. 176/72 simplified gives 22/9
  6. So, 21/12 + 50/72 = 22/9
    In mixed form: 24/9

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