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Add 21/72 and 49/56

21/72 + 49/56 is 7/6.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 72 and 56 is 504

    Next, find the equivalent fraction of both fractional numbers with denominator 504
  2. For the 1st fraction, since 72 × 7 = 504,
    21/72 = 21 × 7/72 × 7 = 147/504
  3. Likewise, for the 2nd fraction, since 56 × 9 = 504,
    49/56 = 49 × 9/56 × 9 = 441/504
  4. Add the two like fractions:
    147/504 + 441/504 = 147 + 441/504 = 588/504
  5. 588/504 simplified gives 7/6
  6. So, 21/72 + 49/56 = 7/6
    In mixed form: 11/6

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