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Add 42/16 and 9/90

1st number: 2 10/16, 2nd number: 9/90

42/16 + 9/90 is 109/40.

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,
    42/16 = 42 × 45/16 × 45 = 1890/720
  3. Likewise, for the 2nd fraction, since 90 × 8 = 720,
    9/90 = 9 × 8/90 × 8 = 72/720
  4. Add the two like fractions:
    1890/720 + 72/720 = 1890 + 72/720 = 1962/720
  5. 1962/720 simplified gives 109/40
  6. So, 42/16 + 9/90 = 109/40
    In mixed form: 229/40

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