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Add 7/8 and 6/21

7/8 + 6/21 is 65/56.

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,
    7/8 = 7 × 21/8 × 21 = 147/168
  3. Likewise, for the 2nd fraction, since 21 × 8 = 168,
    6/21 = 6 × 8/21 × 8 = 48/168
  4. Add the two like fractions:
    147/168 + 48/168 = 147 + 48/168 = 195/168
  5. 195/168 simplified gives 65/56
  6. So, 7/8 + 6/21 = 65/56
    In mixed form: 19/56

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