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Add 90/80 and 1/20

1st number: 1 10/80, 2nd number: 1/20

90/80 + 1/20 is 47/40.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 80 and 20 is 80

    Next, find the equivalent fraction of both fractional numbers with denominator 80
  2. For the 1st fraction, since 80 × 1 = 80,
    90/80 = 90 × 1/80 × 1 = 90/80
  3. Likewise, for the 2nd fraction, since 20 × 4 = 80,
    1/20 = 1 × 4/20 × 4 = 4/80
  4. Add the two like fractions:
    90/80 + 4/80 = 90 + 4/80 = 94/80
  5. 94/80 simplified gives 47/40
  6. So, 90/80 + 1/20 = 47/40
    In mixed form: 17/40

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