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Add 63/72 and 30/80

63/72 + 30/80 is 5/4.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 72 and 80 is 720

    Next, find the equivalent fraction of both fractional numbers with denominator 720
  2. For the 1st fraction, since 72 × 10 = 720,
    63/72 = 63 × 10/72 × 10 = 630/720
  3. Likewise, for the 2nd fraction, since 80 × 9 = 720,
    30/80 = 30 × 9/80 × 9 = 270/720
  4. Add the two like fractions:
    630/720 + 270/720 = 630 + 270/720 = 900/720
  5. 900/720 simplified gives 5/4
  6. So, 63/72 + 30/80 = 5/4
    In mixed form: 11/4

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