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Add 15/80 and 40/20

1st number: 15/80, 2nd number: 2 0/20

15/80 + 40/20 is 35/16.

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,
    15/80 = 15 × 1/80 × 1 = 15/80
  3. Likewise, for the 2nd fraction, since 20 × 4 = 80,
    40/20 = 40 × 4/20 × 4 = 160/80
  4. Add the two like fractions:
    15/80 + 160/80 = 15 + 160/80 = 175/80
  5. 175/80 simplified gives 35/16
  6. So, 15/80 + 40/20 = 35/16
    In mixed form: 23/16

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