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Add 20/72 and 5/30

20/72 + 5/30 is 4/9.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 72 and 30 is 360

    Next, find the equivalent fraction of both fractional numbers with denominator 360
  2. For the 1st fraction, since 72 × 5 = 360,
    20/72 = 20 × 5/72 × 5 = 100/360
  3. Likewise, for the 2nd fraction, since 30 × 12 = 360,
    5/30 = 5 × 12/30 × 12 = 60/360
  4. Add the two like fractions:
    100/360 + 60/360 = 100 + 60/360 = 160/360
  5. 160/360 simplified gives 4/9
  6. So, 20/72 + 5/30 = 4/9

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