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Add 24/21 and 27/72

1st number: 1 3/21, 2nd number: 27/72

24/21 + 27/72 is 85/56.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 21 and 72 is 504

    Next, find the equivalent fraction of both fractional numbers with denominator 504
  2. For the 1st fraction, since 21 × 24 = 504,
    24/21 = 24 × 24/21 × 24 = 576/504
  3. Likewise, for the 2nd fraction, since 72 × 7 = 504,
    27/72 = 27 × 7/72 × 7 = 189/504
  4. Add the two like fractions:
    576/504 + 189/504 = 576 + 189/504 = 765/504
  5. 765/504 simplified gives 85/56
  6. So, 24/21 + 27/72 = 85/56
    In mixed form: 129/56

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