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Add 24/21 and 84/20

1st number: 1 3/21, 2nd number: 4 4/20

24/21 + 84/20 is 187/35.

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,
    24/21 = 24 × 20/21 × 20 = 480/420
  3. Likewise, for the 2nd fraction, since 20 × 21 = 420,
    84/20 = 84 × 21/20 × 21 = 1764/420
  4. Add the two fractions:
    480/420 + 1764/420 = 480 + 1764/420 = 2244/420
  5. After reducing the fraction, the answer is 187/35
  6. In mixed form: 512/35

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