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Add 45/54 and 10/40

45/54 + 10/40 is 13/12.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 54 and 40 is 1080

    Next, find the equivalent fraction of both fractional numbers with denominator 1080
  2. For the 1st fraction, since 54 × 20 = 1080,
    45/54 = 45 × 20/54 × 20 = 900/1080
  3. Likewise, for the 2nd fraction, since 40 × 27 = 1080,
    10/40 = 10 × 27/40 × 27 = 270/1080
  4. Add the two like fractions:
    900/1080 + 270/1080 = 900 + 270/1080 = 1170/1080
  5. 1170/1080 simplified gives 13/12
  6. So, 45/54 + 10/40 = 13/12
    In mixed form: 11/12

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