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Add 21/98 and 7/4

1st number: 21/98, 2nd number: 1 3/4

21/98 + 7/4 is 55/28.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 98 and 4 is 196

    Next, find the equivalent fraction of both fractional numbers with denominator 196
  2. For the 1st fraction, since 98 × 2 = 196,
    21/98 = 21 × 2/98 × 2 = 42/196
  3. Likewise, for the 2nd fraction, since 4 × 49 = 196,
    7/4 = 7 × 49/4 × 49 = 343/196
  4. Add the two like fractions:
    42/196 + 343/196 = 42 + 343/196 = 385/196
  5. 385/196 simplified gives 55/28
  6. So, 21/98 + 7/4 = 55/28
    In mixed form: 127/28

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