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Add 28/40 and 70/98

28/40 + 70/98 is 99/70.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 40 and 98 is 1960

    Next, find the equivalent fraction of both fractional numbers with denominator 1960
  2. For the 1st fraction, since 40 × 49 = 1960,
    28/40 = 28 × 49/40 × 49 = 1372/1960
  3. Likewise, for the 2nd fraction, since 98 × 20 = 1960,
    70/98 = 70 × 20/98 × 20 = 1400/1960
  4. Add the two like fractions:
    1372/1960 + 1400/1960 = 1372 + 1400/1960 = 2772/1960
  5. 2772/1960 simplified gives 99/70
  6. So, 28/40 + 70/98 = 99/70
    In mixed form: 129/70

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