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Add 90/50 and 9/40

1st number: 1 40/50, 2nd number: 9/40

90/50 + 9/40 is 81/40.

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,
    90/50 = 90 × 4/50 × 4 = 360/200
  3. Likewise, for the 2nd fraction, since 40 × 5 = 200,
    9/40 = 9 × 5/40 × 5 = 45/200
  4. Add the two fractions:
    360/200 + 45/200 = 360 + 45/200 = 405/200
  5. 405/200 simplified gives 81/40
  6. So, 90/50 + 9/40 = 81/40
    In mixed form: 21/40

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