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Add 70/40 and 36/80

1st number: 1 30/40, 2nd number: 36/80

70/40 + 36/80 is 11/5.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 40 and 80 is 80

    Next, find the equivalent fraction of both fractional numbers with denominator 80
  2. For the 1st fraction, since 40 × 2 = 80,
    70/40 = 70 × 2/40 × 2 = 140/80
  3. Likewise, for the 2nd fraction, since 80 × 1 = 80,
    36/80 = 36 × 1/80 × 1 = 36/80
  4. Add the two like fractions:
    140/80 + 36/80 = 140 + 36/80 = 176/80
  5. 176/80 simplified gives 11/5
  6. So, 70/40 + 36/80 = 11/5
    In mixed form: 21/5

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