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Add 42/21 and 1/8

1st number: 2 0/21, 2nd number: 1/8

42/21 + 1/8 is 17/8.

Steps for adding fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 168
  2. For the 1st fraction, since 21 × 8 = 168,
    42/21 = 42 × 8/21 × 8 = 336/168
  3. Likewise, for the 2nd fraction, since 8 × 21 = 168,
    1/8 = 1 × 21/8 × 21 = 21/168
  4. Add the two like fractions:
    336/168 + 21/168 = 336 + 21/168 = 357/168
  5. 357/168 simplified gives 17/8
  6. So, 42/21 + 1/8 = 17/8
    In mixed form: 21/8

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