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Add 8/21 and 28/18

1st number: 8/21, 2nd number: 1 10/18

8/21 + 28/18 is 122/63.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 21 and 18 is 126

    Next, find the equivalent fraction of both fractional numbers with denominator 126
  2. For the 1st fraction, since 21 × 6 = 126,
    8/21 = 8 × 6/21 × 6 = 48/126
  3. Likewise, for the 2nd fraction, since 18 × 7 = 126,
    28/18 = 28 × 7/18 × 7 = 196/126
  4. Add the two like fractions:
    48/126 + 196/126 = 48 + 196/126 = 244/126
  5. 244/126 simplified gives 122/63
  6. So, 8/21 + 28/18 = 122/63
    In mixed form: 159/63

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