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Add 28/8 and 1/20

1st number: 3 4/8, 2nd number: 1/20

28/8 + 1/20 is 71/20.

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,
    28/8 = 28 × 5/8 × 5 = 140/40
  3. Likewise, for the 2nd fraction, since 20 × 2 = 40,
    1/20 = 1 × 2/20 × 2 = 2/40
  4. Add the two like fractions:
    140/40 + 2/40 = 140 + 2/40 = 142/40
  5. 142/40 simplified gives 71/20
  6. So, 28/8 + 1/20 = 71/20
    In mixed form: 311/20

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