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Add 54/12 and 4/45

1st number: 4 6/12, 2nd number: 4/45

54/12 + 4/45 is 413/90.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 12 and 45 is 180

    Next, find the equivalent fraction of both fractional numbers with denominator 180
  2. For the 1st fraction, since 12 × 15 = 180,
    54/12 = 54 × 15/12 × 15 = 810/180
  3. Likewise, for the 2nd fraction, since 45 × 4 = 180,
    4/45 = 4 × 4/45 × 4 = 16/180
  4. Add the two like fractions:
    810/180 + 16/180 = 810 + 16/180 = 826/180
  5. 826/180 simplified gives 413/90
  6. So, 54/12 + 4/45 = 413/90
    In mixed form: 453/90

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