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Add 15/50 and 40/90

15/50 + 40/90 is 67/90.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 50 and 90 is 450

    Next, find the equivalent fraction of both fractional numbers with denominator 450
  2. For the 1st fraction, since 50 × 9 = 450,
    15/50 = 15 × 9/50 × 9 = 135/450
  3. Likewise, for the 2nd fraction, since 90 × 5 = 450,
    40/90 = 40 × 5/90 × 5 = 200/450
  4. Add the two like fractions:
    135/450 + 200/450 = 135 + 200/450 = 335/450
  5. 335/450 simplified gives 67/90
  6. So, 15/50 + 40/90 = 67/90

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