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Add 70/6 and 8/21

1st number: 11 4/6, 2nd number: 8/21

70/6 + 8/21 is 253/21.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 6 and 21 is 42
  2. For the 1st fraction, since 6 × 7 = 42,
    70/6 = 70 × 7/6 × 7 = 490/42
  3. Likewise, for the 2nd fraction, since 21 × 2 = 42,
    8/21 = 8 × 2/21 × 2 = 16/42
  4. Add the two fractions:
    490/42 + 16/42 = 490 + 16/42 = 506/42
  5. After reducing the fraction, the answer is 253/21
  6. In mixed form: 121/21

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