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Add 15/50 and 9/40

15/50 + 9/40 is 21/40.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 50 and 40 is 200
  2. For the 1st fraction, since 50 × 4 = 200,
    15/50 = 15 × 4/50 × 4 = 60/200
  3. Likewise, for the 2nd fraction, since 40 × 5 = 200,
    9/40 = 9 × 5/40 × 5 = 45/200
  4. Add the two fractions:
    60/200 + 45/200 = 60 + 45/200 = 105/200
  5. 105/200 simplified gives 21/40
  6. So, 15/50 + 9/40 = 21/40

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