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Add 70/20 and 16/15

1st number: 3 10/20, 2nd number: 1 1/15

70/20 + 16/15 is 137/30.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 20 and 15 is 60

    Next, find the equivalent fraction of both fractional numbers with denominator 60
  2. For the 1st fraction, since 20 × 3 = 60,
    70/20 = 70 × 3/20 × 3 = 210/60
  3. Likewise, for the 2nd fraction, since 15 × 4 = 60,
    16/15 = 16 × 4/15 × 4 = 64/60
  4. Add the two like fractions:
    210/60 + 64/60 = 210 + 64/60 = 274/60
  5. 274/60 simplified gives 137/30
  6. So, 70/20 + 16/15 = 137/30
    In mixed form: 417/30

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