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Add 18/80 and 48/90

18/80 + 48/90 is 91/120.

Steps for adding fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 720
  2. For the 1st fraction, since 80 × 9 = 720,
    18/80 = 18 × 9/80 × 9 = 162/720
  3. Likewise, for the 2nd fraction, since 90 × 8 = 720,
    48/90 = 48 × 8/90 × 8 = 384/720
  4. Add the two like fractions:
    162/720 + 384/720 = 162 + 384/720 = 546/720
  5. 546/720 simplified gives 91/120
  6. So, 18/80 + 48/90 = 91/120

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