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Add 8/21 and 98/20

1st number: 8/21, 2nd number: 4 18/20

8/21 + 98/20 is 1109/210.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 21 and 20 is 420

    Next, find the equivalent fraction of both fractional numbers with denominator 420
  2. For the 1st fraction, since 21 × 20 = 420,
    8/21 = 8 × 20/21 × 20 = 160/420
  3. Likewise, for the 2nd fraction, since 20 × 21 = 420,
    98/20 = 98 × 21/20 × 21 = 2058/420
  4. Add the two like fractions:
    160/420 + 2058/420 = 160 + 2058/420 = 2218/420
  5. 2218/420 simplified gives 1109/210
  6. So, 8/21 + 98/20 = 1109/210
    In mixed form: 559/210

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