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Add 16/20 and 70/80

16/20 + 70/80 is 67/40.

Steps for adding fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 80
  2. For the 1st fraction, since 20 × 4 = 80,
    16/20 = 16 × 4/20 × 4 = 64/80
  3. Likewise, for the 2nd fraction, since 80 × 1 = 80,
    70/80 = 70 × 1/80 × 1 = 70/80
  4. Add the two like fractions:
    64/80 + 70/80 = 64 + 70/80 = 134/80
  5. 134/80 simplified gives 67/40
  6. So, 16/20 + 70/80 = 67/40
    In mixed form: 127/40

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