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Add 1/80 and 84/45

1st number: 1/80, 2nd number: 1 39/45

1/80 + 84/45 is 451/240.

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,
    1/80 = 1 × 9/80 × 9 = 9/720
  3. Likewise, for the 2nd fraction, since 45 × 16 = 720,
    84/45 = 84 × 16/45 × 16 = 1344/720
  4. Add the two like fractions:
    9/720 + 1344/720 = 9 + 1344/720 = 1353/720
  5. 1353/720 simplified gives 451/240
  6. So, 1/80 + 84/45 = 451/240
    In mixed form: 1211/240

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