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Add 20/16 and 40/90

1st number: 1 4/16, 2nd number: 40/90

20/16 + 40/90 is 61/36.

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,
    20/16 = 20 × 45/16 × 45 = 900/720
  3. Likewise, for the 2nd fraction, since 90 × 8 = 720,
    40/90 = 40 × 8/90 × 8 = 320/720
  4. Add the two like fractions:
    900/720 + 320/720 = 900 + 320/720 = 1220/720
  5. 1220/720 simplified gives 61/36
  6. So, 20/16 + 40/90 = 61/36
    In mixed form: 125/36

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