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Add 40/90 and 42/16

1st number: 40/90, 2nd number: 2 10/16

40/90 + 42/16 is 221/72.

Steps for adding fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 720
  2. For the 1st fraction, since 90 × 8 = 720,
    40/90 = 40 × 8/90 × 8 = 320/720
  3. Likewise, for the 2nd fraction, since 16 × 45 = 720,
    42/16 = 42 × 45/16 × 45 = 1890/720
  4. Add the two like fractions:
    320/720 + 1890/720 = 320 + 1890/720 = 2210/720
  5. 2210/720 simplified gives 221/72
  6. So, 40/90 + 42/16 = 221/72
    In mixed form: 35/72

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