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Add 32/28 and 21/30

1st number: 1 4/28, 2nd number: 21/30

32/28 + 21/30 is 129/70.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 28 and 30 is 420

    Next, find the equivalent fraction of both fractional numbers with denominator 420
  2. For the 1st fraction, since 28 × 15 = 420,
    32/28 = 32 × 15/28 × 15 = 480/420
  3. Likewise, for the 2nd fraction, since 30 × 14 = 420,
    21/30 = 21 × 14/30 × 14 = 294/420
  4. Add the two like fractions:
    480/420 + 294/420 = 480 + 294/420 = 774/420
  5. 774/420 simplified gives 129/70
  6. So, 32/28 + 21/30 = 129/70
    In mixed form: 159/70

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