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Add 1/3 and 15/63

1/3 + 15/63 is 4/7.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 3 and 63 is 63
  2. For the 1st fraction, since 3 × 21 = 63,
    1/3 = 1 × 21/3 × 21 = 21/63
  3. Likewise, for the 2nd fraction, since 63 × 1 = 63,
    15/63 = 15 × 1/63 × 1 = 15/63
  4. Add the two fractions:
    21/63 + 15/63 = 21 + 15/63 = 36/63
  5. After reducing the fraction, the answer is 4/7

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