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Add 72/7 and 84/63

1st number: 10 2/7, 2nd number: 1 21/63

72/7 + 84/63 is 244/21.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 7 and 63 is 63

    Next, find the equivalent fraction of both fractional numbers with denominator 63
  2. For the 1st fraction, since 7 × 9 = 63,
    72/7 = 72 × 9/7 × 9 = 648/63
  3. Likewise, for the 2nd fraction, since 63 × 1 = 63,
    84/63 = 84 × 1/63 × 1 = 84/63
  4. Add the two like fractions:
    648/63 + 84/63 = 648 + 84/63 = 732/63
  5. 732/63 simplified gives 244/21
  6. So, 72/7 + 84/63 = 244/21
    In mixed form: 1113/21

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