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Add 45/25 and 15/90

1st number: 1 20/25, 2nd number: 15/90

45/25 + 15/90 is 59/30.

Steps for adding fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 450
  2. For the 1st fraction, since 25 × 18 = 450,
    45/25 = 45 × 18/25 × 18 = 810/450
  3. Likewise, for the 2nd fraction, since 90 × 5 = 450,
    15/90 = 15 × 5/90 × 5 = 75/450
  4. Add the two like fractions:
    810/450 + 75/450 = 810 + 75/450 = 885/450
  5. 885/450 simplified gives 59/30
  6. So, 45/25 + 15/90 = 59/30
    In mixed form: 129/30

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