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Add 2/90 and 30/80

2/90 + 30/80 is 143/360.

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,
    2/90 = 2 × 8/90 × 8 = 16/720
  3. Likewise, for the 2nd fraction, since 80 × 9 = 720,
    30/80 = 30 × 9/80 × 9 = 270/720
  4. Add the two like fractions:
    16/720 + 270/720 = 16 + 270/720 = 286/720
  5. 286/720 simplified gives 143/360
  6. So, 2/90 + 30/80 = 143/360

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