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Add 3/40 and 84/7

1st number: 3/40, 2nd number: 12 0/7

3/40 + 84/7 is 483/40.

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,
    3/40 = 3 × 7/40 × 7 = 21/280
  3. Likewise, for the 2nd fraction, since 7 × 40 = 280,
    84/7 = 84 × 40/7 × 40 = 3360/280
  4. Add the two like fractions:
    21/280 + 3360/280 = 21 + 3360/280 = 3381/280
  5. 3381/280 simplified gives 483/40
  6. So, 3/40 + 84/7 = 483/40
    In mixed form: 123/40

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