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Add 35/20 and 6/21

1st number: 1 15/20, 2nd number: 6/21

35/20 + 6/21 is 57/28.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 20 and 21 is 420

    Next, find the equivalent fraction of both fractional numbers with denominator 420
  2. For the 1st fraction, since 20 × 21 = 420,
    35/20 = 35 × 21/20 × 21 = 735/420
  3. Likewise, for the 2nd fraction, since 21 × 20 = 420,
    6/21 = 6 × 20/21 × 20 = 120/420
  4. Add the two like fractions:
    735/420 + 120/420 = 735 + 120/420 = 855/420
  5. 855/420 simplified gives 57/28
  6. So, 35/20 + 6/21 = 57/28
    In mixed form: 21/28

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