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Add 4/35 and 21/54

4/35 + 21/54 is 317/630.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 35 and 54 is 1890
  2. For the 1st fraction, since 35 × 54 = 1890,
    4/35 = 4 × 54/35 × 54 = 216/1890
  3. Likewise, for the 2nd fraction, since 54 × 35 = 1890,
    21/54 = 21 × 35/54 × 35 = 735/1890
  4. Add the two fractions:
    216/1890 + 735/1890 = 216 + 735/1890 = 951/1890
  5. 951/1890 simplified gives 317/630
  6. So, 4/35 + 21/54 = 317/630

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