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Add 70/4 and 84/5

1st number: 17 2/4, 2nd number: 16 4/5

70/4 + 84/5 is 343/10.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 4 and 5 is 20

    Next, find the equivalent fraction of both fractional numbers with denominator 20
  2. For the 1st fraction, since 4 × 5 = 20,
    70/4 = 70 × 5/4 × 5 = 350/20
  3. Likewise, for the 2nd fraction, since 5 × 4 = 20,
    84/5 = 84 × 4/5 × 4 = 336/20
  4. Add the two like fractions:
    350/20 + 336/20 = 350 + 336/20 = 686/20
  5. 686/20 simplified gives 343/10
  6. So, 70/4 + 84/5 = 343/10
    In mixed form: 343/10

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