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Add 45/21 and 5/20

1st number: 2 3/21, 2nd number: 5/20

45/21 + 5/20 is 67/28.

Steps for adding fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 420
  2. For the 1st fraction, since 21 × 20 = 420,
    45/21 = 45 × 20/21 × 20 = 900/420
  3. Likewise, for the 2nd fraction, since 20 × 21 = 420,
    5/20 = 5 × 21/20 × 21 = 105/420
  4. Add the two like fractions:
    900/420 + 105/420 = 900 + 105/420 = 1005/420
  5. 1005/420 simplified gives 67/28
  6. So, 45/21 + 5/20 = 67/28
    In mixed form: 211/28

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