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Add 12/20 and 4/63

12/20 + 4/63 is 209/315.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 20 and 63 is 1260

    Next, find the equivalent fraction of both fractional numbers with denominator 1260
  2. For the 1st fraction, since 20 × 63 = 1260,
    12/20 = 12 × 63/20 × 63 = 756/1260
  3. Likewise, for the 2nd fraction, since 63 × 20 = 1260,
    4/63 = 4 × 20/63 × 20 = 80/1260
  4. Add the two like fractions:
    756/1260 + 80/1260 = 756 + 80/1260 = 836/1260
  5. 836/1260 simplified gives 209/315
  6. So, 12/20 + 4/63 = 209/315

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