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Add 42/90 and 15/32

42/90 + 15/32 is 449/480.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 90 and 32 is 1440

    Next, find the equivalent fraction of both fractional numbers with denominator 1440
  2. For the 1st fraction, since 90 × 16 = 1440,
    42/90 = 42 × 16/90 × 16 = 672/1440
  3. Likewise, for the 2nd fraction, since 32 × 45 = 1440,
    15/32 = 15 × 45/32 × 45 = 675/1440
  4. Add the two like fractions:
    672/1440 + 675/1440 = 672 + 675/1440 = 1347/1440
  5. 1347/1440 simplified gives 449/480
  6. So, 42/90 + 15/32 = 449/480

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