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Add 84/40 and 9/7

1st number: 2 4/40, 2nd number: 1 2/7

84/40 + 9/7 is 237/70.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 40 and 7 is 280

    Next, find the equivalent fraction of both fractional numbers with denominator 280
  2. For the 1st fraction, since 40 × 7 = 280,
    84/40 = 84 × 7/40 × 7 = 588/280
  3. Likewise, for the 2nd fraction, since 7 × 40 = 280,
    9/7 = 9 × 40/7 × 40 = 360/280
  4. Add the two like fractions:
    588/280 + 360/280 = 588 + 360/280 = 948/280
  5. 948/280 simplified gives 237/70
  6. So, 84/40 + 9/7 = 237/70
    In mixed form: 327/70

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