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Add 4/14 and 21/54

4/14 + 21/54 is 85/126.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 14 and 54 is 378
  2. For the 1st fraction, since 14 × 27 = 378,
    4/14 = 4 × 27/14 × 27 = 108/378
  3. Likewise, for the 2nd fraction, since 54 × 7 = 378,
    21/54 = 21 × 7/54 × 7 = 147/378
  4. Add the two fractions:
    108/378 + 147/378 = 108 + 147/378 = 255/378
  5. 255/378 simplified gives 85/126
  6. So, 4/14 + 21/54 = 85/126

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