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Add 7/45 and 18/4

1st number: 7/45, 2nd number: 4 2/4

7/45 + 18/4 is 419/90.

Steps for adding fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 180
  2. For the 1st fraction, since 45 × 4 = 180,
    7/45 = 7 × 4/45 × 4 = 28/180
  3. Likewise, for the 2nd fraction, since 4 × 45 = 180,
    18/4 = 18 × 45/4 × 45 = 810/180
  4. Add the two like fractions:
    28/180 + 810/180 = 28 + 810/180 = 838/180
  5. 838/180 simplified gives 419/90
  6. So, 7/45 + 18/4 = 419/90
    In mixed form: 459/90

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