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Add 21/56 and 3/7

21/56 + 3/7 is 45/56.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 56 and 7 is 56

    Next, find the equivalent fraction of both fractional numbers with denominator 56
  2. For the 1st fraction, since 56 × 1 = 56,
    21/56 = 21 × 1/56 × 1 = 21/56
  3. Likewise, for the 2nd fraction, since 7 × 8 = 56,
    3/7 = 3 × 8/7 × 8 = 24/56
  4. Add the two like fractions:
    21/56 + 24/56 = 21 + 24/56 = 45/56
  5. So, 21/56 + 3/7 = 45/56

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