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Add 4/80 and 7/20

4/80 + 7/20 is 2/5.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 80 and 20 is 80

    Next, find the equivalent fraction of both fractional numbers with denominator 80
  2. For the 1st fraction, since 80 × 1 = 80,
    4/80 = 4 × 1/80 × 1 = 4/80
  3. Likewise, for the 2nd fraction, since 20 × 4 = 80,
    7/20 = 7 × 4/20 × 4 = 28/80
  4. Add the two like fractions:
    4/80 + 28/80 = 4 + 28/80 = 32/80
  5. 32/80 simplified gives 2/5
  6. So, 4/80 + 7/20 = 2/5

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