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Add 8/9 and 90/70

1st number: 8/9, 2nd number: 1 20/70

8/9 + 90/70 is 137/63.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 9 and 70 is 630
  2. For the 1st fraction, since 9 × 70 = 630,
    8/9 = 8 × 70/9 × 70 = 560/630
  3. Likewise, for the 2nd fraction, since 70 × 9 = 630,
    90/70 = 90 × 9/70 × 9 = 810/630
  4. Add the two fractions:
    560/630 + 810/630 = 560 + 810/630 = 1370/630
  5. After reducing the fraction, the answer is 137/63
  6. In mixed form: 211/63

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