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Add 3/90 and 28/20

1st number: 3/90, 2nd number: 1 8/20

3/90 + 28/20 is 43/30.

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,
    3/90 = 3 × 2/90 × 2 = 6/180
  3. Likewise, for the 2nd fraction, since 20 × 9 = 180,
    28/20 = 28 × 9/20 × 9 = 252/180
  4. Add the two like fractions:
    6/180 + 252/180 = 6 + 252/180 = 258/180
  5. 258/180 simplified gives 43/30
  6. So, 3/90 + 28/20 = 43/30
    In mixed form: 113/30

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