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Add 49/63 and 20/56

49/63 + 20/56 is 143/126.

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,
    49/63 = 49 × 8/63 × 8 = 392/504
  3. Likewise, for the 2nd fraction, since 56 × 9 = 504,
    20/56 = 20 × 9/56 × 9 = 180/504
  4. Add the two like fractions:
    392/504 + 180/504 = 392 + 180/504 = 572/504
  5. 572/504 simplified gives 143/126
  6. So, 49/63 + 20/56 = 143/126
    In mixed form: 117/126

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