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Add 3/80 and 75/45

1st number: 3/80, 2nd number: 1 30/45

3/80 + 75/45 is 409/240.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 80 and 45 is 720

    Next, find the equivalent fraction of both fractional numbers with denominator 720
  2. For the 1st fraction, since 80 × 9 = 720,
    3/80 = 3 × 9/80 × 9 = 27/720
  3. Likewise, for the 2nd fraction, since 45 × 16 = 720,
    75/45 = 75 × 16/45 × 16 = 1200/720
  4. Add the two like fractions:
    27/720 + 1200/720 = 27 + 1200/720 = 1227/720
  5. 1227/720 simplified gives 409/240
  6. So, 3/80 + 75/45 = 409/240
    In mixed form: 1169/240

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