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Add 70/20 and 12/25

1st number: 3 10/20, 2nd number: 12/25

70/20 + 12/25 is 199/50.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 20 and 25 is 100

    Next, find the equivalent fraction of both fractional numbers with denominator 100
  2. For the 1st fraction, since 20 × 5 = 100,
    70/20 = 70 × 5/20 × 5 = 350/100
  3. Likewise, for the 2nd fraction, since 25 × 4 = 100,
    12/25 = 12 × 4/25 × 4 = 48/100
  4. Add the two like fractions:
    350/100 + 48/100 = 350 + 48/100 = 398/100
  5. 398/100 simplified gives 199/50
  6. So, 70/20 + 12/25 = 199/50
    In mixed form: 349/50

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