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Add 27/70 and 20/24

27/70 + 20/24 is 128/105.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 70 and 24 is 840

    Next, find the equivalent fraction of both fractional numbers with denominator 840
  2. For the 1st fraction, since 70 × 12 = 840,
    27/70 = 27 × 12/70 × 12 = 324/840
  3. Likewise, for the 2nd fraction, since 24 × 35 = 840,
    20/24 = 20 × 35/24 × 35 = 700/840
  4. Add the two like fractions:
    324/840 + 700/840 = 324 + 700/840 = 1024/840
  5. 1024/840 simplified gives 128/105
  6. So, 27/70 + 20/24 = 128/105
    In mixed form: 123/105

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