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Add 21/20 and 28/98

1st number: 1 1/20, 2nd number: 28/98

21/20 + 28/98 is 187/140.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 20 and 98 is 980
  2. For the 1st fraction, since 20 × 49 = 980,
    21/20 = 21 × 49/20 × 49 = 1029/980
  3. Likewise, for the 2nd fraction, since 98 × 10 = 980,
    28/98 = 28 × 10/98 × 10 = 280/980
  4. Add the two fractions:
    1029/980 + 280/980 = 1029 + 280/980 = 1309/980
  5. 1309/980 simplified gives 187/140
  6. So, 21/20 + 28/98 = 187/140
    In mixed form: 147/140

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