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Add 32/20 and 28/72

1st number: 1 12/20, 2nd number: 28/72

32/20 + 28/72 is 179/90.

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,
    32/20 = 32 × 18/20 × 18 = 576/360
  3. Likewise, for the 2nd fraction, since 72 × 5 = 360,
    28/72 = 28 × 5/72 × 5 = 140/360
  4. Add the two like fractions:
    576/360 + 140/360 = 576 + 140/360 = 716/360
  5. 716/360 simplified gives 179/90
  6. So, 32/20 + 28/72 = 179/90
    In mixed form: 189/90

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