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Add 90/12 and 35/70

1st number: 7 6/12, 2nd number: 35/70

90/12 + 35/70 is 8/1.

Steps for adding fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 420
  2. For the 1st fraction, since 12 × 35 = 420,
    90/12 = 90 × 35/12 × 35 = 3150/420
  3. Likewise, for the 2nd fraction, since 70 × 6 = 420,
    35/70 = 35 × 6/70 × 6 = 210/420
  4. Add the two like fractions:
    3150/420 + 210/420 = 3150 + 210/420 = 3360/420
  5. 3360/420 simplified gives 8/1
  6. So, 90/12 + 35/70 = 8/1

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