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Add 20/90 and 42/5

1st number: 20/90, 2nd number: 8 2/5

20/90 + 42/5 is 388/45.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 90 and 5 is 90

    Next, find the equivalent fraction of both fractional numbers with denominator 90
  2. For the 1st fraction, since 90 × 1 = 90,
    20/90 = 20 × 1/90 × 1 = 20/90
  3. Likewise, for the 2nd fraction, since 5 × 18 = 90,
    42/5 = 42 × 18/5 × 18 = 756/90
  4. Add the two like fractions:
    20/90 + 756/90 = 20 + 756/90 = 776/90
  5. 776/90 simplified gives 388/45
  6. So, 20/90 + 42/5 = 388/45
    In mixed form: 828/45

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