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Add 20/80 and 70/9

1st number: 20/80, 2nd number: 7 7/9

20/80 + 70/9 is 289/36.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 80 and 9 is 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 9 × 80 = 720,
    70/9 = 70 × 80/9 × 80 = 5600/720
  4. Add the two fractions:
    180/720 + 5600/720 = 180 + 5600/720 = 5780/720
  5. 5780/720 simplified gives 289/36
  6. So, 20/80 + 70/9 = 289/36
    In mixed form: 81/36

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