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Add 25/15 and 28/63

1st number: 1 10/15, 2nd number: 28/63

25/15 + 28/63 is 19/9.

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,
    25/15 = 25 × 21/15 × 21 = 525/315
  3. Likewise, for the 2nd fraction, since 63 × 5 = 315,
    28/63 = 28 × 5/63 × 5 = 140/315
  4. Add the two like fractions:
    525/315 + 140/315 = 525 + 140/315 = 665/315
  5. 665/315 simplified gives 19/9
  6. So, 25/15 + 28/63 = 19/9
    In mixed form: 21/9

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