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Add 21/56 and 21/27

21/56 + 21/27 is 83/72.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 56 and 27 is 1512

    Next, find the equivalent fraction of both fractional numbers with denominator 1512
  2. For the 1st fraction, since 56 × 27 = 1512,
    21/56 = 21 × 27/56 × 27 = 567/1512
  3. Likewise, for the 2nd fraction, since 27 × 56 = 1512,
    21/27 = 21 × 56/27 × 56 = 1176/1512
  4. Add the two like fractions:
    567/1512 + 1176/1512 = 567 + 1176/1512 = 1743/1512
  5. 1743/1512 simplified gives 83/72
  6. So, 21/56 + 21/27 = 83/72
    In mixed form: 111/72

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