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Add 35/21 and 45/20

1st number: 1 14/21, 2nd number: 2 5/20

35/21 + 45/20 is 47/12.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 21 and 20 is 420
  2. For the 1st fraction, since 21 × 20 = 420,
    35/21 = 35 × 20/21 × 20 = 700/420
  3. Likewise, for the 2nd fraction, since 20 × 21 = 420,
    45/20 = 45 × 21/20 × 21 = 945/420
  4. Add the two fractions:
    700/420 + 945/420 = 700 + 945/420 = 1645/420
  5. After reducing the fraction, the answer is 47/12
  6. In mixed form: 311/12

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