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Add 75/72 and 63/80

1st number: 1 3/72, 2nd number: 63/80

75/72 + 63/80 is 439/240.

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,
    75/72 = 75 × 10/72 × 10 = 750/720
  3. Likewise, for the 2nd fraction, since 80 × 9 = 720,
    63/80 = 63 × 9/80 × 9 = 567/720
  4. Add the two like fractions:
    750/720 + 567/720 = 750 + 567/720 = 1317/720
  5. 1317/720 simplified gives 439/240
  6. So, 75/72 + 63/80 = 439/240
    In mixed form: 1199/240

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