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Add 10/8 and 9/21

1st number: 1 2/8, 2nd number: 9/21

10/8 + 9/21 is 47/28.

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,
    10/8 = 10 × 21/8 × 21 = 210/168
  3. Likewise, for the 2nd fraction, since 21 × 8 = 168,
    9/21 = 9 × 8/21 × 8 = 72/168
  4. Add the two like fractions:
    210/168 + 72/168 = 210 + 72/168 = 282/168
  5. 282/168 simplified gives 47/28
  6. So, 10/8 + 9/21 = 47/28
    In mixed form: 119/28

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