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Add 30/21 and 8/20

1st number: 1 9/21, 2nd number: 8/20

30/21 + 8/20 is 64/35.

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,
    30/21 = 30 × 20/21 × 20 = 600/420
  3. Likewise, for the 2nd fraction, since 20 × 21 = 420,
    8/20 = 8 × 21/20 × 21 = 168/420
  4. Add the two like fractions:
    600/420 + 168/420 = 600 + 168/420 = 768/420
  5. 768/420 simplified gives 64/35
  6. So, 30/21 + 8/20 = 64/35
    In mixed form: 129/35

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