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Add 21/54 and 6/70

21/54 + 6/70 is 299/630.

Steps for adding fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 1890
  2. For the 1st fraction, since 54 × 35 = 1890,
    21/54 = 21 × 35/54 × 35 = 735/1890
  3. Likewise, for the 2nd fraction, since 70 × 27 = 1890,
    6/70 = 6 × 27/70 × 27 = 162/1890
  4. Add the two like fractions:
    735/1890 + 162/1890 = 735 + 162/1890 = 897/1890
  5. 897/1890 simplified gives 299/630
  6. So, 21/54 + 6/70 = 299/630

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