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Add 21/15 and 4/63

1st number: 1 6/15, 2nd number: 4/63

21/15 + 4/63 is 461/315.

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,
    21/15 = 21 × 21/15 × 21 = 441/315
  3. Likewise, for the 2nd fraction, since 63 × 5 = 315,
    4/63 = 4 × 5/63 × 5 = 20/315
  4. Add the two like fractions:
    441/315 + 20/315 = 441 + 20/315 = 461/315
  5. So, 21/15 + 4/63 = 461/315
    In mixed form: 1146/315

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