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Add 4/18 and 63/80

4/18 + 63/80 is 727/720.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 18 and 80 is 720

    Next, find the equivalent fraction of both fractional numbers with denominator 720
  2. For the 1st fraction, since 18 × 40 = 720,
    4/18 = 4 × 40/18 × 40 = 160/720
  3. Likewise, for the 2nd fraction, since 80 × 9 = 720,
    63/80 = 63 × 9/80 × 9 = 567/720
  4. Add the two like fractions:
    160/720 + 567/720 = 160 + 567/720 = 727/720
  5. So, 4/18 + 63/80 = 727/720
    In mixed form: 17/720

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