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Add 54/63 and 6/40

54/63 + 6/40 is 141/140.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 63 and 40 is 2520
  2. For the 1st fraction, since 63 × 40 = 2520,
    54/63 = 54 × 40/63 × 40 = 2160/2520
  3. Likewise, for the 2nd fraction, since 40 × 63 = 2520,
    6/40 = 6 × 63/40 × 63 = 378/2520
  4. Add the two fractions:
    2160/2520 + 378/2520 = 2160 + 378/2520 = 2538/2520
  5. 2538/2520 simplified gives 141/140
  6. So, 54/63 + 6/40 = 141/140
    In mixed form: 11/140

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