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Add 42/84 and 72/63

1st number: 42/84, 2nd number: 1 9/63

42/84 + 72/63 is 23/14.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 84 and 63 is 252

    Next, find the equivalent fraction of both fractional numbers with denominator 252
  2. For the 1st fraction, since 84 × 3 = 252,
    42/84 = 42 × 3/84 × 3 = 126/252
  3. Likewise, for the 2nd fraction, since 63 × 4 = 252,
    72/63 = 72 × 4/63 × 4 = 288/252
  4. Add the two like fractions:
    126/252 + 288/252 = 126 + 288/252 = 414/252
  5. 414/252 simplified gives 23/14
  6. So, 42/84 + 72/63 = 23/14
    In mixed form: 19/14

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