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Add 18/70 and 84/12

1st number: 18/70, 2nd number: 7 0/12

18/70 + 84/12 is 254/35.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 70 and 12 is 420

    Next, find the equivalent fraction of both fractional numbers with denominator 420
  2. For the 1st fraction, since 70 × 6 = 420,
    18/70 = 18 × 6/70 × 6 = 108/420
  3. Likewise, for the 2nd fraction, since 12 × 35 = 420,
    84/12 = 84 × 35/12 × 35 = 2940/420
  4. Add the two like fractions:
    108/420 + 2940/420 = 108 + 2940/420 = 3048/420
  5. 3048/420 simplified gives 254/35
  6. So, 18/70 + 84/12 = 254/35
    In mixed form: 79/35

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