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Add 45/7 and 63/18

1st number: 6 3/7, 2nd number: 3 9/18

45/7 + 63/18 is 139/14.

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,
    45/7 = 45 × 18/7 × 18 = 810/126
  3. Likewise, for the 2nd fraction, since 18 × 7 = 126,
    63/18 = 63 × 7/18 × 7 = 441/126
  4. Add the two like fractions:
    810/126 + 441/126 = 810 + 441/126 = 1251/126
  5. 1251/126 simplified gives 139/14
  6. So, 45/7 + 63/18 = 139/14
    In mixed form: 913/14

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