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Add 70/80 and 35/9

1st number: 70/80, 2nd number: 3 8/9

70/80 + 35/9 is 343/72.

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,
    70/80 = 70 × 9/80 × 9 = 630/720
  3. Likewise, for the 2nd fraction, since 9 × 80 = 720,
    35/9 = 35 × 80/9 × 80 = 2800/720
  4. Add the two fractions:
    630/720 + 2800/720 = 630 + 2800/720 = 3430/720
  5. After reducing the fraction, the answer is 343/72
  6. In mixed form: 455/72

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