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Add 80/4 and 50/21

1st number: 20 0/4, 2nd number: 2 8/21

80/4 + 50/21 is 470/21.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 4 and 21 is 84

    Next, find the equivalent fraction of both fractional numbers with denominator 84
  2. For the 1st fraction, since 4 × 21 = 84,
    80/4 = 80 × 21/4 × 21 = 1680/84
  3. Likewise, for the 2nd fraction, since 21 × 4 = 84,
    50/21 = 50 × 4/21 × 4 = 200/84
  4. Add the two like fractions:
    1680/84 + 200/84 = 1680 + 200/84 = 1880/84
  5. 1880/84 simplified gives 470/21
  6. So, 80/4 + 50/21 = 470/21
    In mixed form: 228/21

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