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Add 15/20 and 5/63

15/20 + 5/63 is 209/252.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 20 and 63 is 1260
  2. For the 1st fraction, since 20 × 63 = 1260,
    15/20 = 15 × 63/20 × 63 = 945/1260
  3. Likewise, for the 2nd fraction, since 63 × 20 = 1260,
    5/63 = 5 × 20/63 × 20 = 100/1260
  4. Add the two fractions:
    945/1260 + 100/1260 = 945 + 100/1260 = 1045/1260
  5. 1045/1260 simplified gives 209/252
  6. So, 15/20 + 5/63 = 209/252

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