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Add 8/28 and 70/15

1st number: 8/28, 2nd number: 4 10/15

8/28 + 70/15 is 104/21.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 28 and 15 is 420

    Next, find the equivalent fraction of both fractional numbers with denominator 420
  2. For the 1st fraction, since 28 × 15 = 420,
    8/28 = 8 × 15/28 × 15 = 120/420
  3. Likewise, for the 2nd fraction, since 15 × 28 = 420,
    70/15 = 70 × 28/15 × 28 = 1960/420
  4. Add the two like fractions:
    120/420 + 1960/420 = 120 + 1960/420 = 2080/420
  5. 2080/420 simplified gives 104/21
  6. So, 8/28 + 70/15 = 104/21
    In mixed form: 420/21

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