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Add 15/80 and 20/18

1st number: 15/80, 2nd number: 1 2/18

15/80 + 20/18 is 187/144.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 80 and 18 is 720

    Next, find the equivalent fraction of both fractional numbers with denominator 720
  2. For the 1st fraction, since 80 × 9 = 720,
    15/80 = 15 × 9/80 × 9 = 135/720
  3. Likewise, for the 2nd fraction, since 18 × 40 = 720,
    20/18 = 20 × 40/18 × 40 = 800/720
  4. Add the two like fractions:
    135/720 + 800/720 = 135 + 800/720 = 935/720
  5. 935/720 simplified gives 187/144
  6. So, 15/80 + 20/18 = 187/144
    In mixed form: 143/144

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