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Add 18/40 and 45/25

1st number: 18/40, 2nd number: 1 20/25

18/40 + 45/25 is 9/4.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 40 and 25 is 200

    Next, find the equivalent fraction of both fractional numbers with denominator 200
  2. For the 1st fraction, since 40 × 5 = 200,
    18/40 = 18 × 5/40 × 5 = 90/200
  3. Likewise, for the 2nd fraction, since 25 × 8 = 200,
    45/25 = 45 × 8/25 × 8 = 360/200
  4. Add the two like fractions:
    90/200 + 360/200 = 90 + 360/200 = 450/200
  5. 450/200 simplified gives 9/4
  6. So, 18/40 + 45/25 = 9/4
    In mixed form: 21/4

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