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Add 10/42 and 7/8

10/42 + 7/8 is 187/168.

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,
    10/42 = 10 × 4/42 × 4 = 40/168
  3. Likewise, for the 2nd fraction, since 8 × 21 = 168,
    7/8 = 7 × 21/8 × 21 = 147/168
  4. Add the two fractions:
    40/168 + 147/168 = 40 + 147/168 = 187/168
  5. In mixed form: 119/168

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