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Add 40/54 and 63/90

40/54 + 63/90 is 389/270.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 54 and 90 is 270
  2. For the 1st fraction, since 54 × 5 = 270,
    40/54 = 40 × 5/54 × 5 = 200/270
  3. Likewise, for the 2nd fraction, since 90 × 3 = 270,
    63/90 = 63 × 3/90 × 3 = 189/270
  4. Add the two fractions:
    200/270 + 189/270 = 200 + 189/270 = 389/270
  5. In mixed form: 1119/270

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