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Add 7/15 and 20/63

7/15 + 20/63 is 247/315.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 15 and 63 is 315

    Next, find the equivalent fraction of both fractional numbers with denominator 315
  2. For the 1st fraction, since 15 × 21 = 315,
    7/15 = 7 × 21/15 × 21 = 147/315
  3. Likewise, for the 2nd fraction, since 63 × 5 = 315,
    20/63 = 20 × 5/63 × 5 = 100/315
  4. Add the two like fractions:
    147/315 + 100/315 = 147 + 100/315 = 247/315
  5. So, 7/15 + 20/63 = 247/315

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