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Add 30/90 and 9/80

30/90 + 9/80 is 107/240.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 90 and 80 is 720

    Next, find the equivalent fraction of both fractional numbers with denominator 720
  2. For the 1st fraction, since 90 × 8 = 720,
    30/90 = 30 × 8/90 × 8 = 240/720
  3. Likewise, for the 2nd fraction, since 80 × 9 = 720,
    9/80 = 9 × 9/80 × 9 = 81/720
  4. Add the two like fractions:
    240/720 + 81/720 = 240 + 81/720 = 321/720
  5. 321/720 simplified gives 107/240
  6. So, 30/90 + 9/80 = 107/240

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