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Add 4/80 and 70/9

1st number: 4/80, 2nd number: 7 7/9

4/80 + 70/9 is 1409/180.

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,
    4/80 = 4 × 9/80 × 9 = 36/720
  3. Likewise, for the 2nd fraction, since 9 × 80 = 720,
    70/9 = 70 × 80/9 × 80 = 5600/720
  4. Add the two fractions:
    36/720 + 5600/720 = 36 + 5600/720 = 5636/720
  5. 5636/720 simplified gives 1409/180
  6. So, 4/80 + 70/9 = 1409/180
    In mixed form: 7149/180

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