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Add 20/8 and 5/90

1st number: 2 4/8, 2nd number: 5/90

20/8 + 5/90 is 23/9.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 8 and 90 is 360

    Next, find the equivalent fraction of both fractional numbers with denominator 360
  2. For the 1st fraction, since 8 × 45 = 360,
    20/8 = 20 × 45/8 × 45 = 900/360
  3. Likewise, for the 2nd fraction, since 90 × 4 = 360,
    5/90 = 5 × 4/90 × 4 = 20/360
  4. Add the two like fractions:
    900/360 + 20/360 = 900 + 20/360 = 920/360
  5. 920/360 simplified gives 23/9
  6. So, 20/8 + 5/90 = 23/9
    In mixed form: 25/9

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