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Add 70/90 and 70/20

1st number: 70/90, 2nd number: 3 10/20

70/90 + 70/20 is 77/18.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 90 and 20 is 180

    Next, find the equivalent fraction of both fractional numbers with denominator 180
  2. For the 1st fraction, since 90 × 2 = 180,
    70/90 = 70 × 2/90 × 2 = 140/180
  3. Likewise, for the 2nd fraction, since 20 × 9 = 180,
    70/20 = 70 × 9/20 × 9 = 630/180
  4. Add the two like fractions:
    140/180 + 630/180 = 140 + 630/180 = 770/180
  5. 770/180 simplified gives 77/18
  6. So, 70/90 + 70/20 = 77/18
    In mixed form: 45/18

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