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Add 28/10 and 70/4

1st number: 2 8/10, 2nd number: 17 2/4

28/10 + 70/4 is 203/10.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 10 and 4 is 20

    Next, find the equivalent fraction of both fractional numbers with denominator 20
  2. For the 1st fraction, since 10 × 2 = 20,
    28/10 = 28 × 2/10 × 2 = 56/20
  3. Likewise, for the 2nd fraction, since 4 × 5 = 20,
    70/4 = 70 × 5/4 × 5 = 350/20
  4. Add the two like fractions:
    56/20 + 350/20 = 56 + 350/20 = 406/20
  5. 406/20 simplified gives 203/10
  6. So, 28/10 + 70/4 = 203/10
    In mixed form: 203/10

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