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Add 5/56 and 21/63

5/56 + 21/63 is 71/168.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 56 and 63 is 504

    Next, find the equivalent fraction of both fractional numbers with denominator 504
  2. For the 1st fraction, since 56 × 9 = 504,
    5/56 = 5 × 9/56 × 9 = 45/504
  3. Likewise, for the 2nd fraction, since 63 × 8 = 504,
    21/63 = 21 × 8/63 × 8 = 168/504
  4. Add the two like fractions:
    45/504 + 168/504 = 45 + 168/504 = 213/504
  5. 213/504 simplified gives 71/168
  6. So, 5/56 + 21/63 = 71/168

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