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Add 28/7 and 84/72

1st number: 4 0/7, 2nd number: 1 12/72

28/7 + 84/72 is 31/6.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 7 and 72 is 504

    Next, find the equivalent fraction of both fractional numbers with denominator 504
  2. For the 1st fraction, since 7 × 72 = 504,
    28/7 = 28 × 72/7 × 72 = 2016/504
  3. Likewise, for the 2nd fraction, since 72 × 7 = 504,
    84/72 = 84 × 7/72 × 7 = 588/504
  4. Add the two like fractions:
    2016/504 + 588/504 = 2016 + 588/504 = 2604/504
  5. 2604/504 simplified gives 31/6
  6. So, 28/7 + 84/72 = 31/6
    In mixed form: 51/6

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