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Add 21/14 and 18/5

1st number: 1 7/14, 2nd number: 3 3/5

21/14 + 18/5 is 51/10.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 14 and 5 is 70
  2. For the 1st fraction, since 14 × 5 = 70,
    21/14 = 21 × 5/14 × 5 = 105/70
  3. Likewise, for the 2nd fraction, since 5 × 14 = 70,
    18/5 = 18 × 14/5 × 14 = 252/70
  4. Add the two fractions:
    105/70 + 252/70 = 105 + 252/70 = 357/70
  5. After reducing the fraction, the answer is 51/10
  6. In mixed form: 51/10

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