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Add 20/4 and 42/20

1st number: 5 0/4, 2nd number: 2 2/20

20/4 + 42/20 is 71/10.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 4 and 20 is 20

    Next, find the equivalent fraction of both fractional numbers with denominator 20
  2. For the 1st fraction, since 4 × 5 = 20,
    20/4 = 20 × 5/4 × 5 = 100/20
  3. Likewise, for the 2nd fraction, since 20 × 1 = 20,
    42/20 = 42 × 1/20 × 1 = 42/20
  4. Add the two like fractions:
    100/20 + 42/20 = 100 + 42/20 = 142/20
  5. 142/20 simplified gives 71/10
  6. So, 20/4 + 42/20 = 71/10
    In mixed form: 71/10

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