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Add 63/7 and 72/18

1st number: 9 0/7, 2nd number: 4 0/18

63/7 + 72/18 is 13/1.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 7 and 18 is 126

    Next, find the equivalent fraction of both fractional numbers with denominator 126
  2. For the 1st fraction, since 7 × 18 = 126,
    63/7 = 63 × 18/7 × 18 = 1134/126
  3. Likewise, for the 2nd fraction, since 18 × 7 = 126,
    72/18 = 72 × 7/18 × 7 = 504/126
  4. Add the two like fractions:
    1134/126 + 504/126 = 1134 + 504/126 = 1638/126
  5. 1638/126 simplified gives 13/1
  6. So, 63/7 + 72/18 = 13/1

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