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Add 72/4 and 14/90

1st number: 18 0/4, 2nd number: 14/90

72/4 + 14/90 is 817/45.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 4 and 90 is 180

    Next, find the equivalent fraction of both fractional numbers with denominator 180
  2. For the 1st fraction, since 4 × 45 = 180,
    72/4 = 72 × 45/4 × 45 = 3240/180
  3. Likewise, for the 2nd fraction, since 90 × 2 = 180,
    14/90 = 14 × 2/90 × 2 = 28/180
  4. Add the two like fractions:
    3240/180 + 28/180 = 3240 + 28/180 = 3268/180
  5. 3268/180 simplified gives 817/45
  6. So, 72/4 + 14/90 = 817/45
    In mixed form: 187/45

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