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Add 10/30 and 21/54

10/30 + 21/54 is 13/18.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 30 and 54 is 270
  2. For the 1st fraction, since 30 × 9 = 270,
    10/30 = 10 × 9/30 × 9 = 90/270
  3. Likewise, for the 2nd fraction, since 54 × 5 = 270,
    21/54 = 21 × 5/54 × 5 = 105/270
  4. Add the two fractions:
    90/270 + 105/270 = 90 + 105/270 = 195/270
  5. After reducing the fraction, the answer is 13/18

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