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Add 42/90 and 15/16

42/90 + 15/16 is 337/240.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 90 and 16 is 720
  2. For the 1st fraction, since 90 × 8 = 720,
    42/90 = 42 × 8/90 × 8 = 336/720
  3. Likewise, for the 2nd fraction, since 16 × 45 = 720,
    15/16 = 15 × 45/16 × 45 = 675/720
  4. Add the two fractions:
    336/720 + 675/720 = 336 + 675/720 = 1011/720
  5. 1011/720 simplified gives 337/240
  6. So, 42/90 + 15/16 = 337/240
    In mixed form: 197/240

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