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Add 6/8 and 90/21

1st number: 6/8, 2nd number: 4 6/21

6/8 + 90/21 is 141/28.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 8 and 21 is 168

    Next, find the equivalent fraction of both fractional numbers with denominator 168
  2. For the 1st fraction, since 8 × 21 = 168,
    6/8 = 6 × 21/8 × 21 = 126/168
  3. Likewise, for the 2nd fraction, since 21 × 8 = 168,
    90/21 = 90 × 8/21 × 8 = 720/168
  4. Add the two like fractions:
    126/168 + 720/168 = 126 + 720/168 = 846/168
  5. 846/168 simplified gives 141/28
  6. So, 6/8 + 90/21 = 141/28
    In mixed form: 51/28

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