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Add 84/20 and 4/72

1st number: 4 4/20, 2nd number: 4/72

84/20 + 4/72 is 383/90.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 20 and 72 is 360

    Next, find the equivalent fraction of both fractional numbers with denominator 360
  2. For the 1st fraction, since 20 × 18 = 360,
    84/20 = 84 × 18/20 × 18 = 1512/360
  3. Likewise, for the 2nd fraction, since 72 × 5 = 360,
    4/72 = 4 × 5/72 × 5 = 20/360
  4. Add the two like fractions:
    1512/360 + 20/360 = 1512 + 20/360 = 1532/360
  5. 1532/360 simplified gives 383/90
  6. So, 84/20 + 4/72 = 383/90
    In mixed form: 423/90

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