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Add 72/63 and 3/12

1st number: 1 9/63, 2nd number: 3/12

72/63 + 3/12 is 39/28.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 63 and 12 is 252
  2. For the 1st fraction, since 63 × 4 = 252,
    72/63 = 72 × 4/63 × 4 = 288/252
  3. Likewise, for the 2nd fraction, since 12 × 21 = 252,
    3/12 = 3 × 21/12 × 21 = 63/252
  4. Add the two fractions:
    288/252 + 63/252 = 288 + 63/252 = 351/252
  5. 351/252 simplified gives 39/28
  6. So, 72/63 + 3/12 = 39/28
    In mixed form: 111/28

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