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Add 35/90 and 18/20

35/90 + 18/20 is 58/45.

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,
    35/90 = 35 × 2/90 × 2 = 70/180
  3. Likewise, for the 2nd fraction, since 20 × 9 = 180,
    18/20 = 18 × 9/20 × 9 = 162/180
  4. Add the two like fractions:
    70/180 + 162/180 = 70 + 162/180 = 232/180
  5. 232/180 simplified gives 58/45
  6. So, 35/90 + 18/20 = 58/45
    In mixed form: 113/45

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