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Add 75/9 and 70/20

1st number: 8 3/9, 2nd number: 3 10/20

75/9 + 70/20 is 71/6.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 9 and 20 is 180

    Next, find the equivalent fraction of both fractional numbers with denominator 180
  2. For the 1st fraction, since 9 × 20 = 180,
    75/9 = 75 × 20/9 × 20 = 1500/180
  3. Likewise, for the 2nd fraction, since 20 × 9 = 180,
    70/20 = 70 × 9/20 × 9 = 630/180
  4. Add the two like fractions:
    1500/180 + 630/180 = 1500 + 630/180 = 2130/180
  5. 2130/180 simplified gives 71/6
  6. So, 75/9 + 70/20 = 71/6
    In mixed form: 115/6

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