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Add 18/40 and 56/63

18/40 + 56/63 is 241/180.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 40 and 63 is 2520

    Next, find the equivalent fraction of both fractional numbers with denominator 2520
  2. For the 1st fraction, since 40 × 63 = 2520,
    18/40 = 18 × 63/40 × 63 = 1134/2520
  3. Likewise, for the 2nd fraction, since 63 × 40 = 2520,
    56/63 = 56 × 40/63 × 40 = 2240/2520
  4. Add the two like fractions:
    1134/2520 + 2240/2520 = 1134 + 2240/2520 = 3374/2520
  5. 3374/2520 simplified gives 241/180
  6. So, 18/40 + 56/63 = 241/180
    In mixed form: 161/180

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