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Add 70/12 and 10/20

1st number: 5 10/12, 2nd number: 10/20

70/12 + 10/20 is 19/3.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 12 and 20 is 60

    Next, find the equivalent fraction of both fractional numbers with denominator 60
  2. For the 1st fraction, since 12 × 5 = 60,
    70/12 = 70 × 5/12 × 5 = 350/60
  3. Likewise, for the 2nd fraction, since 20 × 3 = 60,
    10/20 = 10 × 3/20 × 3 = 30/60
  4. Add the two like fractions:
    350/60 + 30/60 = 350 + 30/60 = 380/60
  5. 380/60 simplified gives 19/3
  6. So, 70/12 + 10/20 = 19/3
    In mixed form: 61/3

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