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Add 4/70 and 21/54

4/70 + 21/54 is 281/630.

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,
    4/70 = 4 × 27/70 × 27 = 108/1890
  3. Likewise, for the 2nd fraction, since 54 × 35 = 1890,
    21/54 = 21 × 35/54 × 35 = 735/1890
  4. Add the two like fractions:
    108/1890 + 735/1890 = 108 + 735/1890 = 843/1890
  5. 843/1890 simplified gives 281/630
  6. So, 4/70 + 21/54 = 281/630

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