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Add 42/20 and 90/8

1st number: 2 2/20, 2nd number: 11 2/8

42/20 + 90/8 is 267/20.

Steps for adding fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 40
  2. For the 1st fraction, since 20 × 2 = 40,
    42/20 = 42 × 2/20 × 2 = 84/40
  3. Likewise, for the 2nd fraction, since 8 × 5 = 40,
    90/8 = 90 × 5/8 × 5 = 450/40
  4. Add the two like fractions:
    84/40 + 450/40 = 84 + 450/40 = 534/40
  5. 534/40 simplified gives 267/20
  6. So, 42/20 + 90/8 = 267/20
    In mixed form: 137/20

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