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Add 28/70 and 40/75

28/70 + 40/75 is 14/15.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 70 and 75 is 1050

    Next, find the equivalent fraction of both fractional numbers with denominator 1050
  2. For the 1st fraction, since 70 × 15 = 1050,
    28/70 = 28 × 15/70 × 15 = 420/1050
  3. Likewise, for the 2nd fraction, since 75 × 14 = 1050,
    40/75 = 40 × 14/75 × 14 = 560/1050
  4. Add the two like fractions:
    420/1050 + 560/1050 = 420 + 560/1050 = 980/1050
  5. 980/1050 simplified gives 14/15
  6. So, 28/70 + 40/75 = 14/15

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