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Add 18/45 and 84/20

1st number: 18/45, 2nd number: 4 4/20

18/45 + 84/20 is 23/5.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 45 and 20 is 180

    Next, find the equivalent fraction of both fractional numbers with denominator 180
  2. For the 1st fraction, since 45 × 4 = 180,
    18/45 = 18 × 4/45 × 4 = 72/180
  3. Likewise, for the 2nd fraction, since 20 × 9 = 180,
    84/20 = 84 × 9/20 × 9 = 756/180
  4. Add the two like fractions:
    72/180 + 756/180 = 72 + 756/180 = 828/180
  5. 828/180 simplified gives 23/5
  6. So, 18/45 + 84/20 = 23/5
    In mixed form: 43/5

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