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Add 40/16 and 18/90

1st number: 2 8/16, 2nd number: 18/90

40/16 + 18/90 is 27/10.

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,
    40/16 = 40 × 45/16 × 45 = 1800/720
  3. Likewise, for the 2nd fraction, since 90 × 8 = 720,
    18/90 = 18 × 8/90 × 8 = 144/720
  4. Add the two like fractions:
    1800/720 + 144/720 = 1800 + 144/720 = 1944/720
  5. 1944/720 simplified gives 27/10
  6. So, 40/16 + 18/90 = 27/10
    In mixed form: 27/10

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