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Add 27/4 and 18/45

1st number: 6 3/4, 2nd number: 18/45

27/4 + 18/45 is 143/20.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 4 and 45 is 180

    Next, find the equivalent fraction of both fractional numbers with denominator 180
  2. For the 1st fraction, since 4 × 45 = 180,
    27/4 = 27 × 45/4 × 45 = 1215/180
  3. Likewise, for the 2nd fraction, since 45 × 4 = 180,
    18/45 = 18 × 4/45 × 4 = 72/180
  4. Add the two like fractions:
    1215/180 + 72/180 = 1215 + 72/180 = 1287/180
  5. 1287/180 simplified gives 143/20
  6. So, 27/4 + 18/45 = 143/20
    In mixed form: 73/20

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