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Add 84/7 and 27/40

1st number: 12 0/7, 2nd number: 27/40

84/7 + 27/40 is 507/40.

Steps for adding fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 280
  2. For the 1st fraction, since 7 × 40 = 280,
    84/7 = 84 × 40/7 × 40 = 3360/280
  3. Likewise, for the 2nd fraction, since 40 × 7 = 280,
    27/40 = 27 × 7/40 × 7 = 189/280
  4. Add the two like fractions:
    3360/280 + 189/280 = 3360 + 189/280 = 3549/280
  5. 3549/280 simplified gives 507/40
  6. So, 84/7 + 27/40 = 507/40
    In mixed form: 1227/40

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