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Add 1/5 and 20/72

1/5 + 20/72 is 43/90.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 5 and 72 is 360

    Next, find the equivalent fraction of both fractional numbers with denominator 360
  2. For the 1st fraction, since 5 × 72 = 360,
    1/5 = 1 × 72/5 × 72 = 72/360
  3. Likewise, for the 2nd fraction, since 72 × 5 = 360,
    20/72 = 20 × 5/72 × 5 = 100/360
  4. Add the two like fractions:
    72/360 + 100/360 = 72 + 100/360 = 172/360
  5. 172/360 simplified gives 43/90
  6. So, 1/5 + 20/72 = 43/90

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