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Add 70/20 and 25/9

1st number: 3 10/20, 2nd number: 2 7/9

70/20 + 25/9 is 113/18.

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,
    70/20 = 70 × 9/20 × 9 = 630/180
  3. Likewise, for the 2nd fraction, since 9 × 20 = 180,
    25/9 = 25 × 20/9 × 20 = 500/180
  4. Add the two like fractions:
    630/180 + 500/180 = 630 + 500/180 = 1130/180
  5. 1130/180 simplified gives 113/18
  6. So, 70/20 + 25/9 = 113/18
    In mixed form: 65/18

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