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Add 20/80 and 70/18

1st number: 20/80, 2nd number: 3 16/18

20/80 + 70/18 is 149/36.

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,
    20/80 = 20 × 9/80 × 9 = 180/720
  3. Likewise, for the 2nd fraction, since 18 × 40 = 720,
    70/18 = 70 × 40/18 × 40 = 2800/720
  4. Add the two like fractions:
    180/720 + 2800/720 = 180 + 2800/720 = 2980/720
  5. 2980/720 simplified gives 149/36
  6. So, 20/80 + 70/18 = 149/36
    In mixed form: 45/36

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