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Add 72/42 and 75/63

1st number: 1 30/42, 2nd number: 1 12/63

72/42 + 75/63 is 61/21.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 42 and 63 is 126

    Next, find the equivalent fraction of both fractional numbers with denominator 126
  2. For the 1st fraction, since 42 × 3 = 126,
    72/42 = 72 × 3/42 × 3 = 216/126
  3. Likewise, for the 2nd fraction, since 63 × 2 = 126,
    75/63 = 75 × 2/63 × 2 = 150/126
  4. Add the two like fractions:
    216/126 + 150/126 = 216 + 150/126 = 366/126
  5. 366/126 simplified gives 61/21
  6. So, 72/42 + 75/63 = 61/21
    In mixed form: 219/21

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