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Add 40/50 and 15/90

40/50 + 15/90 is 29/30.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 50 and 90 is 450
  2. For the 1st fraction, since 50 × 9 = 450,
    40/50 = 40 × 9/50 × 9 = 360/450
  3. Likewise, for the 2nd fraction, since 90 × 5 = 450,
    15/90 = 15 × 5/90 × 5 = 75/450
  4. Add the two fractions:
    360/450 + 75/450 = 360 + 75/450 = 435/450
  5. 435/450 simplified gives 29/30
  6. So, 40/50 + 15/90 = 29/30

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