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Add 84/4 and 40/7

1st number: 21 0/4, 2nd number: 5 5/7

84/4 + 40/7 is 187/7.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 4 and 7 is 28

    Next, find the equivalent fraction of both fractional numbers with denominator 28
  2. For the 1st fraction, since 4 × 7 = 28,
    84/4 = 84 × 7/4 × 7 = 588/28
  3. Likewise, for the 2nd fraction, since 7 × 4 = 28,
    40/7 = 40 × 4/7 × 4 = 160/28
  4. Add the two like fractions:
    588/28 + 160/28 = 588 + 160/28 = 748/28
  5. 748/28 simplified gives 187/7
  6. So, 84/4 + 40/7 = 187/7
    In mixed form: 265/7

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