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Add 70/14 and 18/21

1st number: 5 0/14, 2nd number: 18/21

70/14 + 18/21 is 41/7.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 14 and 21 is 42

    Next, find the equivalent fraction of both fractional numbers with denominator 42
  2. For the 1st fraction, since 14 × 3 = 42,
    70/14 = 70 × 3/14 × 3 = 210/42
  3. Likewise, for the 2nd fraction, since 21 × 2 = 42,
    18/21 = 18 × 2/21 × 2 = 36/42
  4. Add the two like fractions:
    210/42 + 36/42 = 210 + 36/42 = 246/42
  5. 246/42 simplified gives 41/7
  6. So, 70/14 + 18/21 = 41/7
    In mixed form: 56/7

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