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Add 90/98 and 30/40

90/98 + 30/40 is 327/196.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 98 and 40 is 1960
  2. For the 1st fraction, since 98 × 20 = 1960,
    90/98 = 90 × 20/98 × 20 = 1800/1960
  3. Likewise, for the 2nd fraction, since 40 × 49 = 1960,
    30/40 = 30 × 49/40 × 49 = 1470/1960
  4. Add the two fractions:
    1800/1960 + 1470/1960 = 1800 + 1470/1960 = 3270/1960
  5. 3270/1960 simplified gives 327/196
  6. So, 90/98 + 30/40 = 327/196
    In mixed form: 1131/196

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