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Add 15/28 and 70/98

15/28 + 70/98 is 5/4.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 28 and 98 is 196

    Next, find the equivalent fraction of both fractional numbers with denominator 196
  2. For the 1st fraction, since 28 × 7 = 196,
    15/28 = 15 × 7/28 × 7 = 105/196
  3. Likewise, for the 2nd fraction, since 98 × 2 = 196,
    70/98 = 70 × 2/98 × 2 = 140/196
  4. Add the two like fractions:
    105/196 + 140/196 = 105 + 140/196 = 245/196
  5. 245/196 simplified gives 5/4
  6. So, 15/28 + 70/98 = 5/4
    In mixed form: 11/4

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