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Add 21/70 and 14/27

21/70 + 14/27 is 221/270.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 70 and 27 is 1890
  2. For the 1st fraction, since 70 × 27 = 1890,
    21/70 = 21 × 27/70 × 27 = 567/1890
  3. Likewise, for the 2nd fraction, since 27 × 70 = 1890,
    14/27 = 14 × 70/27 × 70 = 980/1890
  4. Add the two fractions:
    567/1890 + 980/1890 = 567 + 980/1890 = 1547/1890
  5. 1547/1890 simplified gives 221/270
  6. So, 21/70 + 14/27 = 221/270

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