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Add 16/7 and 70/20

1st number: 2 2/7, 2nd number: 3 10/20

16/7 + 70/20 is 81/14.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 7 and 20 is 140
  2. For the 1st fraction, since 7 × 20 = 140,
    16/7 = 16 × 20/7 × 20 = 320/140
  3. Likewise, for the 2nd fraction, since 20 × 7 = 140,
    70/20 = 70 × 7/20 × 7 = 490/140
  4. Add the two fractions:
    320/140 + 490/140 = 320 + 490/140 = 810/140
  5. After reducing the fraction, the answer is 81/14
  6. In mixed form: 511/14

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