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Add 20/63 and 40/56

20/63 + 40/56 is 65/63.

Steps for adding fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 504
  2. For the 1st fraction, since 63 × 8 = 504,
    20/63 = 20 × 8/63 × 8 = 160/504
  3. Likewise, for the 2nd fraction, since 56 × 9 = 504,
    40/56 = 40 × 9/56 × 9 = 360/504
  4. Add the two like fractions:
    160/504 + 360/504 = 160 + 360/504 = 520/504
  5. 520/504 simplified gives 65/63
  6. So, 20/63 + 40/56 = 65/63
    In mixed form: 12/63

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