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Add 15/25 and 70/90

15/25 + 70/90 is 62/45.

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,
    15/25 = 15 × 18/25 × 18 = 270/450
  3. Likewise, for the 2nd fraction, since 90 × 5 = 450,
    70/90 = 70 × 5/90 × 5 = 350/450
  4. Add the two like fractions:
    270/450 + 350/450 = 270 + 350/450 = 620/450
  5. 620/450 simplified gives 62/45
  6. So, 15/25 + 70/90 = 62/45
    In mixed form: 117/45

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