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Add 21/28 and 90/98

21/28 + 90/98 is 327/196.

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,
    21/28 = 21 × 7/28 × 7 = 147/196
  3. Likewise, for the 2nd fraction, since 98 × 2 = 196,
    90/98 = 90 × 2/98 × 2 = 180/196
  4. Add the two like fractions:
    147/196 + 180/196 = 147 + 180/196 = 327/196
  5. So, 21/28 + 90/98 = 327/196
    In mixed form: 1131/196

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