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Add 3/42 and 90/8

1st number: 3/42, 2nd number: 11 2/8

3/42 + 90/8 is 317/28.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 42 and 8 is 168
  2. For the 1st fraction, since 42 × 4 = 168,
    3/42 = 3 × 4/42 × 4 = 12/168
  3. Likewise, for the 2nd fraction, since 8 × 21 = 168,
    90/8 = 90 × 21/8 × 21 = 1890/168
  4. Add the two fractions:
    12/168 + 1890/168 = 12 + 1890/168 = 1902/168
  5. 1902/168 simplified gives 317/28
  6. So, 3/42 + 90/8 = 317/28
    In mixed form: 119/28

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