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Add 15/42 and 7/18

15/42 + 7/18 is 47/63.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 42 and 18 is 126

    Next, find the equivalent fraction of both fractional numbers with denominator 126
  2. For the 1st fraction, since 42 × 3 = 126,
    15/42 = 15 × 3/42 × 3 = 45/126
  3. Likewise, for the 2nd fraction, since 18 × 7 = 126,
    7/18 = 7 × 7/18 × 7 = 49/126
  4. Add the two like fractions:
    45/126 + 49/126 = 45 + 49/126 = 94/126
  5. 94/126 simplified gives 47/63
  6. So, 15/42 + 7/18 = 47/63

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