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Add 21/15 and 75/5

1st number: 1 6/15, 2nd number: 15 0/5

21/15 + 75/5 is 82/5.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 15 and 5 is 15

    Next, find the equivalent fraction of both fractional numbers with denominator 15
  2. For the 1st fraction, since 15 × 1 = 15,
    21/15 = 21 × 1/15 × 1 = 21/15
  3. Likewise, for the 2nd fraction, since 5 × 3 = 15,
    75/5 = 75 × 3/5 × 3 = 225/15
  4. Add the two like fractions:
    21/15 + 225/15 = 21 + 225/15 = 246/15
  5. 246/15 simplified gives 82/5
  6. So, 21/15 + 75/5 = 82/5
    In mixed form: 162/5

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