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Add 70/80 and 70/9

1st number: 70/80, 2nd number: 7 7/9

70/80 + 70/9 is 623/72.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 80 and 9 is 720

    Next, find the equivalent fraction of both fractional numbers with denominator 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,
    70/9 = 70 × 80/9 × 80 = 5600/720
  4. Add the two like fractions:
    630/720 + 5600/720 = 630 + 5600/720 = 6230/720
  5. 6230/720 simplified gives 623/72
  6. So, 70/80 + 70/9 = 623/72
    In mixed form: 847/72

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