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Add 54/70 and 75/84

54/70 + 75/84 is 233/140.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 70 and 84 is 420
  2. For the 1st fraction, since 70 × 6 = 420,
    54/70 = 54 × 6/70 × 6 = 324/420
  3. Likewise, for the 2nd fraction, since 84 × 5 = 420,
    75/84 = 75 × 5/84 × 5 = 375/420
  4. Add the two fractions:
    324/420 + 375/420 = 324 + 375/420 = 699/420
  5. After reducing the fraction, the answer is 233/140
  6. In mixed form: 193/140

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