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Add 1/7 and 84/72

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

1/7 + 84/72 is 55/42.

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,
    1/7 = 1 × 72/7 × 72 = 72/504
  3. Likewise, for the 2nd fraction, since 72 × 7 = 504,
    84/72 = 84 × 7/72 × 7 = 588/504
  4. Add the two like fractions:
    72/504 + 588/504 = 72 + 588/504 = 660/504
  5. 660/504 simplified gives 55/42
  6. So, 1/7 + 84/72 = 55/42
    In mixed form: 113/42

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