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Add 75/12 and 20/70

1st number: 6 3/12, 2nd number: 20/70

75/12 + 20/70 is 183/28.

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,
    75/12 = 75 × 35/12 × 35 = 2625/420
  3. Likewise, for the 2nd fraction, since 70 × 6 = 420,
    20/70 = 20 × 6/70 × 6 = 120/420
  4. Add the two like fractions:
    2625/420 + 120/420 = 2625 + 120/420 = 2745/420
  5. 2745/420 simplified gives 183/28
  6. So, 75/12 + 20/70 = 183/28
    In mixed form: 615/28

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