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Add 15/28 and 70/75

15/28 + 70/75 is 617/420.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 28 and 75 is 2100

    Next, find the equivalent fraction of both fractional numbers with denominator 2100
  2. For the 1st fraction, since 28 × 75 = 2100,
    15/28 = 15 × 75/28 × 75 = 1125/2100
  3. Likewise, for the 2nd fraction, since 75 × 28 = 2100,
    70/75 = 70 × 28/75 × 28 = 1960/2100
  4. Add the two like fractions:
    1125/2100 + 1960/2100 = 1125 + 1960/2100 = 3085/2100
  5. 3085/2100 simplified gives 617/420
  6. So, 15/28 + 70/75 = 617/420
    In mixed form: 1197/420

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