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Add 12/70 and 40/28

1st number: 12/70, 2nd number: 1 12/28

12/70 + 40/28 is 8/5.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 70 and 28 is 140

    Next, find the equivalent fraction of both fractional numbers with denominator 140
  2. For the 1st fraction, since 70 × 2 = 140,
    12/70 = 12 × 2/70 × 2 = 24/140
  3. Likewise, for the 2nd fraction, since 28 × 5 = 140,
    40/28 = 40 × 5/28 × 5 = 200/140
  4. Add the two like fractions:
    24/140 + 200/140 = 24 + 200/140 = 224/140
  5. 224/140 simplified gives 8/5
  6. So, 12/70 + 40/28 = 8/5
    In mixed form: 13/5

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