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Add 30/63 and 3/20

30/63 + 3/20 is 263/420.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 63 and 20 is 1260
  2. For the 1st fraction, since 63 × 20 = 1260,
    30/63 = 30 × 20/63 × 20 = 600/1260
  3. Likewise, for the 2nd fraction, since 20 × 63 = 1260,
    3/20 = 3 × 63/20 × 63 = 189/1260
  4. Add the two fractions:
    600/1260 + 189/1260 = 600 + 189/1260 = 789/1260
  5. After reducing the fraction, the answer is 263/420

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