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Add 6/21 and 70/5

1st number: 6/21, 2nd number: 14 0/5

6/21 + 70/5 is 100/7.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 21 and 5 is 105

    Next, find the equivalent fraction of both fractional numbers with denominator 105
  2. For the 1st fraction, since 21 × 5 = 105,
    6/21 = 6 × 5/21 × 5 = 30/105
  3. Likewise, for the 2nd fraction, since 5 × 21 = 105,
    70/5 = 70 × 21/5 × 21 = 1470/105
  4. Add the two like fractions:
    30/105 + 1470/105 = 30 + 1470/105 = 1500/105
  5. 1500/105 simplified gives 100/7
  6. So, 6/21 + 70/5 = 100/7
    In mixed form: 142/7

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