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Add 18/63 and 4/5

18/63 + 4/5 is 38/35.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 63 and 5 is 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 5 × 63 = 315,
    4/5 = 4 × 63/5 × 63 = 252/315
  4. Add the two fractions:
    90/315 + 252/315 = 90 + 252/315 = 342/315
  5. After reducing the fraction, the answer is 38/35
  6. In mixed form: 13/35

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