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Add 20/90 and 28/25

1st number: 20/90, 2nd number: 1 3/25

20/90 + 28/25 is 302/225.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 90 and 25 is 450

    Next, find the equivalent fraction of both fractional numbers with denominator 450
  2. For the 1st fraction, since 90 × 5 = 450,
    20/90 = 20 × 5/90 × 5 = 100/450
  3. Likewise, for the 2nd fraction, since 25 × 18 = 450,
    28/25 = 28 × 18/25 × 18 = 504/450
  4. Add the two like fractions:
    100/450 + 504/450 = 100 + 504/450 = 604/450
  5. 604/450 simplified gives 302/225
  6. So, 20/90 + 28/25 = 302/225
    In mixed form: 177/225

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