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Add 72/18 and 63/12

1st number: 4 0/18, 2nd number: 5 3/12

72/18 + 63/12 is 37/4.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 18 and 12 is 36
  2. For the 1st fraction, since 18 × 2 = 36,
    72/18 = 72 × 2/18 × 2 = 144/36
  3. Likewise, for the 2nd fraction, since 12 × 3 = 36,
    63/12 = 63 × 3/12 × 3 = 189/36
  4. Add the two fractions:
    144/36 + 189/36 = 144 + 189/36 = 333/36
  5. 333/36 simplified gives 37/4
  6. So, 72/18 + 63/12 = 37/4
    In mixed form: 91/4

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