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Add 75/5 and 20/84

1st number: 15 0/5, 2nd number: 20/84

75/5 + 20/84 is 320/21.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 5 and 84 is 420

    Next, find the equivalent fraction of both fractional numbers with denominator 420
  2. For the 1st fraction, since 5 × 84 = 420,
    75/5 = 75 × 84/5 × 84 = 6300/420
  3. Likewise, for the 2nd fraction, since 84 × 5 = 420,
    20/84 = 20 × 5/84 × 5 = 100/420
  4. Add the two like fractions:
    6300/420 + 100/420 = 6300 + 100/420 = 6400/420
  5. 6400/420 simplified gives 320/21
  6. So, 75/5 + 20/84 = 320/21
    In mixed form: 155/21

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