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Add 28/21 and 8/30

1st number: 1 7/21, 2nd number: 8/30

28/21 + 8/30 is 8/5.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 21 and 30 is 210

    Next, find the equivalent fraction of both fractional numbers with denominator 210
  2. For the 1st fraction, since 21 × 10 = 210,
    28/21 = 28 × 10/21 × 10 = 280/210
  3. Likewise, for the 2nd fraction, since 30 × 7 = 210,
    8/30 = 8 × 7/30 × 7 = 56/210
  4. Add the two like fractions:
    280/210 + 56/210 = 280 + 56/210 = 336/210
  5. 336/210 simplified gives 8/5
  6. So, 28/21 + 8/30 = 8/5
    In mixed form: 13/5

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