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Add 75/20 and 90/50

1st number: 3 15/20, 2nd number: 1 40/50

75/20 + 90/50 is 111/20.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 20 and 50 is 100

    Next, find the equivalent fraction of both fractional numbers with denominator 100
  2. For the 1st fraction, since 20 × 5 = 100,
    75/20 = 75 × 5/20 × 5 = 375/100
  3. Likewise, for the 2nd fraction, since 50 × 2 = 100,
    90/50 = 90 × 2/50 × 2 = 180/100
  4. Add the two like fractions:
    375/100 + 180/100 = 375 + 180/100 = 555/100
  5. 555/100 simplified gives 111/20
  6. So, 75/20 + 90/50 = 111/20
    In mixed form: 511/20

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