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Add 2/15 and 21/63

2/15 + 21/63 is 7/15.

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,
    2/15 = 2 × 21/15 × 21 = 42/315
  3. Likewise, for the 2nd fraction, since 63 × 5 = 315,
    21/63 = 21 × 5/63 × 5 = 105/315
  4. Add the two like fractions:
    42/315 + 105/315 = 42 + 105/315 = 147/315
  5. 147/315 simplified gives 7/15
  6. So, 2/15 + 21/63 = 7/15

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