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Add 70/9 and 90/8

1st number: 7 7/9, 2nd number: 11 2/8

70/9 + 90/8 is 685/36.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 9 and 8 is 72
  2. For the 1st fraction, since 9 × 8 = 72,
    70/9 = 70 × 8/9 × 8 = 560/72
  3. Likewise, for the 2nd fraction, since 8 × 9 = 72,
    90/8 = 90 × 9/8 × 9 = 810/72
  4. Add the two fractions:
    560/72 + 810/72 = 560 + 810/72 = 1370/72
  5. After reducing the fraction, the answer is 685/36
  6. In mixed form: 191/36

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