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Add 40/56 and 9/90

40/56 + 9/90 is 57/70.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 56 and 90 is 2520

    Next, find the equivalent fraction of both fractional numbers with denominator 2520
  2. For the 1st fraction, since 56 × 45 = 2520,
    40/56 = 40 × 45/56 × 45 = 1800/2520
  3. Likewise, for the 2nd fraction, since 90 × 28 = 2520,
    9/90 = 9 × 28/90 × 28 = 252/2520
  4. Add the two like fractions:
    1800/2520 + 252/2520 = 1800 + 252/2520 = 2052/2520
  5. 2052/2520 simplified gives 57/70
  6. So, 40/56 + 9/90 = 57/70

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