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Add 4/16 and 9/90

4/16 + 9/90 is 7/20.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 16 and 90 is 720

    Next, find the equivalent fraction of both fractional numbers with denominator 720
  2. For the 1st fraction, since 16 × 45 = 720,
    4/16 = 4 × 45/16 × 45 = 180/720
  3. Likewise, for the 2nd fraction, since 90 × 8 = 720,
    9/90 = 9 × 8/90 × 8 = 72/720
  4. Add the two like fractions:
    180/720 + 72/720 = 180 + 72/720 = 252/720
  5. 252/720 simplified gives 7/20
  6. So, 4/16 + 9/90 = 7/20

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