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Add 70/12 and 20/30

1st number: 5 10/12, 2nd number: 20/30

70/12 + 20/30 is 13/2.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 12 and 30 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 30 × 2 = 60,
    20/30 = 20 × 2/30 × 2 = 40/60
  4. Add the two like fractions:
    350/60 + 40/60 = 350 + 40/60 = 390/60
  5. 390/60 simplified gives 13/2
  6. So, 70/12 + 20/30 = 13/2
    In mixed form: 61/2

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