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Add 75/90 and 42/56

75/90 + 42/56 is 19/12.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 90 and 56 is 2520
  2. For the 1st fraction, since 90 × 28 = 2520,
    75/90 = 75 × 28/90 × 28 = 2100/2520
  3. Likewise, for the 2nd fraction, since 56 × 45 = 2520,
    42/56 = 42 × 45/56 × 45 = 1890/2520
  4. Add the two fractions:
    2100/2520 + 1890/2520 = 2100 + 1890/2520 = 3990/2520
  5. 3990/2520 simplified gives 19/12
  6. So, 75/90 + 42/56 = 19/12
    In mixed form: 17/12

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