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Add 18/16 and 45/40

1st number: 1 2/16, 2nd number: 1 5/40

18/16 + 45/40 is 9/4.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 16 and 40 is 80

    Next, find the equivalent fraction of both fractional numbers with denominator 80
  2. For the 1st fraction, since 16 × 5 = 80,
    18/16 = 18 × 5/16 × 5 = 90/80
  3. Likewise, for the 2nd fraction, since 40 × 2 = 80,
    45/40 = 45 × 2/40 × 2 = 90/80
  4. Add the two like fractions:
    90/80 + 90/80 = 90 + 90/80 = 180/80
  5. 180/80 simplified gives 9/4
  6. So, 18/16 + 45/40 = 9/4
    In mixed form: 21/4

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