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Add 5/20 and 70/9

1st number: 5/20, 2nd number: 7 7/9

5/20 + 70/9 is 289/36.

Steps for adding fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 180
  2. For the 1st fraction, since 20 × 9 = 180,
    5/20 = 5 × 9/20 × 9 = 45/180
  3. Likewise, for the 2nd fraction, since 9 × 20 = 180,
    70/9 = 70 × 20/9 × 20 = 1400/180
  4. Add the two like fractions:
    45/180 + 1400/180 = 45 + 1400/180 = 1445/180
  5. 1445/180 simplified gives 289/36
  6. So, 5/20 + 70/9 = 289/36
    In mixed form: 81/36

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