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Add 21/8 and 42/14

1st number: 2 5/8, 2nd number: 3 0/14

21/8 + 42/14 is 45/8.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 8 and 14 is 56

    Next, find the equivalent fraction of both fractional numbers with denominator 56
  2. For the 1st fraction, since 8 × 7 = 56,
    21/8 = 21 × 7/8 × 7 = 147/56
  3. Likewise, for the 2nd fraction, since 14 × 4 = 56,
    42/14 = 42 × 4/14 × 4 = 168/56
  4. Add the two like fractions:
    147/56 + 168/56 = 147 + 168/56 = 315/56
  5. 315/56 simplified gives 45/8
  6. So, 21/8 + 42/14 = 45/8
    In mixed form: 55/8

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