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Add 14/8 and 7/20

1st number: 1 6/8, 2nd number: 7/20

14/8 + 7/20 is 21/10.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 8 and 20 is 40

    Next, find the equivalent fraction of both fractional numbers with denominator 40
  2. For the 1st fraction, since 8 × 5 = 40,
    14/8 = 14 × 5/8 × 5 = 70/40
  3. Likewise, for the 2nd fraction, since 20 × 2 = 40,
    7/20 = 7 × 2/20 × 2 = 14/40
  4. Add the two like fractions:
    70/40 + 14/40 = 70 + 14/40 = 84/40
  5. 84/40 simplified gives 21/10
  6. So, 14/8 + 7/20 = 21/10
    In mixed form: 21/10

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