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Add 56/70 and 28/54

56/70 + 28/54 is 178/135.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 70 and 54 is 1890

    Next, find the equivalent fraction of both fractional numbers with denominator 1890
  2. For the 1st fraction, since 70 × 27 = 1890,
    56/70 = 56 × 27/70 × 27 = 1512/1890
  3. Likewise, for the 2nd fraction, since 54 × 35 = 1890,
    28/54 = 28 × 35/54 × 35 = 980/1890
  4. Add the two like fractions:
    1512/1890 + 980/1890 = 1512 + 980/1890 = 2492/1890
  5. 2492/1890 simplified gives 178/135
  6. So, 56/70 + 28/54 = 178/135
    In mixed form: 143/135

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