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Add 28/21 and 32/20

1st number: 1 7/21, 2nd number: 1 12/20

28/21 + 32/20 is 44/15.

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,
    28/21 = 28 × 20/21 × 20 = 560/420
  3. Likewise, for the 2nd fraction, since 20 × 21 = 420,
    32/20 = 32 × 21/20 × 21 = 672/420
  4. Add the two like fractions:
    560/420 + 672/420 = 560 + 672/420 = 1232/420
  5. 1232/420 simplified gives 44/15
  6. So, 28/21 + 32/20 = 44/15
    In mixed form: 214/15

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