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Add 98/21 and 42/9

1st number: 4 14/21, 2nd number: 4 6/9

98/21 + 42/9 is 28/3.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 21 and 9 is 63
  2. For the 1st fraction, since 21 × 3 = 63,
    98/21 = 98 × 3/21 × 3 = 294/63
  3. Likewise, for the 2nd fraction, since 9 × 7 = 63,
    42/9 = 42 × 7/9 × 7 = 294/63
  4. Add the two fractions:
    294/63 + 294/63 = 294 + 294/63 = 588/63
  5. After reducing the fraction, the answer is 28/3
  6. In mixed form: 91/3

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