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Add 90/9 and 70/20

1st number: 10 0/9, 2nd number: 3 10/20

90/9 + 70/20 is 27/2.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 9 and 20 is 180
  2. For the 1st fraction, since 9 × 20 = 180,
    90/9 = 90 × 20/9 × 20 = 1800/180
  3. Likewise, for the 2nd fraction, since 20 × 9 = 180,
    70/20 = 70 × 9/20 × 9 = 630/180
  4. Add the two fractions:
    1800/180 + 630/180 = 1800 + 630/180 = 2430/180
  5. 2430/180 simplified gives 27/2
  6. So, 90/9 + 70/20 = 27/2
    In mixed form: 131/2

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