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Add 72/36 and 98/21

1st number: 2 0/36, 2nd number: 4 14/21

72/36 + 98/21 is 20/3.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 36 and 21 is 252

    Next, find the equivalent fraction of both fractional numbers with denominator 252
  2. For the 1st fraction, since 36 × 7 = 252,
    72/36 = 72 × 7/36 × 7 = 504/252
  3. Likewise, for the 2nd fraction, since 21 × 12 = 252,
    98/21 = 98 × 12/21 × 12 = 1176/252
  4. Add the two like fractions:
    504/252 + 1176/252 = 504 + 1176/252 = 1680/252
  5. 1680/252 simplified gives 20/3
  6. So, 72/36 + 98/21 = 20/3
    In mixed form: 62/3

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