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Add 70/75 and 54/56

70/75 + 54/56 is 797/420.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 75 and 56 is 4200

    Next, find the equivalent fraction of both fractional numbers with denominator 4200
  2. For the 1st fraction, since 75 × 56 = 4200,
    70/75 = 70 × 56/75 × 56 = 3920/4200
  3. Likewise, for the 2nd fraction, since 56 × 75 = 4200,
    54/56 = 54 × 75/56 × 75 = 4050/4200
  4. Add the two like fractions:
    3920/4200 + 4050/4200 = 3920 + 4050/4200 = 7970/4200
  5. 7970/4200 simplified gives 797/420
  6. So, 70/75 + 54/56 = 797/420
    In mixed form: 1377/420

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