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Add 42/21 and 75/63

1st number: 2 0/21, 2nd number: 1 12/63

42/21 + 75/63 is 67/21.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 21 and 63 is 63

    Next, find the equivalent fraction of both fractional numbers with denominator 63
  2. For the 1st fraction, since 21 × 3 = 63,
    42/21 = 42 × 3/21 × 3 = 126/63
  3. Likewise, for the 2nd fraction, since 63 × 1 = 63,
    75/63 = 75 × 1/63 × 1 = 75/63
  4. Add the two like fractions:
    126/63 + 75/63 = 126 + 75/63 = 201/63
  5. 201/63 simplified gives 67/21
  6. So, 42/21 + 75/63 = 67/21
    In mixed form: 34/21

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