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Add 40/16 and 42/90

1st number: 2 8/16, 2nd number: 42/90

40/16 + 42/90 is 89/30.

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,
    42/90 = 42 × 8/90 × 8 = 336/720
  4. Add the two like fractions:
    1800/720 + 336/720 = 1800 + 336/720 = 2136/720
  5. 2136/720 simplified gives 89/30
  6. So, 40/16 + 42/90 = 89/30
    In mixed form: 229/30

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