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Add 18/63 and 28/45

18/63 + 28/45 is 286/315.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 63 and 45 is 315

    Next, find the equivalent fraction of both fractional numbers with denominator 315
  2. For the 1st fraction, since 63 × 5 = 315,
    18/63 = 18 × 5/63 × 5 = 90/315
  3. Likewise, for the 2nd fraction, since 45 × 7 = 315,
    28/45 = 28 × 7/45 × 7 = 196/315
  4. Add the two like fractions:
    90/315 + 196/315 = 90 + 196/315 = 286/315
  5. So, 18/63 + 28/45 = 286/315

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