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Add 7/18 and 4/63

7/18 + 4/63 is 19/42.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 18 and 63 is 126
  2. For the 1st fraction, since 18 × 7 = 126,
    7/18 = 7 × 7/18 × 7 = 49/126
  3. Likewise, for the 2nd fraction, since 63 × 2 = 126,
    4/63 = 4 × 2/63 × 2 = 8/126
  4. Add the two fractions:
    49/126 + 8/126 = 49 + 8/126 = 57/126
  5. 57/126 simplified gives 19/42
  6. So, 7/18 + 4/63 = 19/42

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