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Add 90/63 and 6/40

1st number: 1 27/63, 2nd number: 6/40

90/63 + 6/40 is 221/140.

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,
    90/63 = 90 × 40/63 × 40 = 3600/2520
  3. Likewise, for the 2nd fraction, since 40 × 63 = 2520,
    6/40 = 6 × 63/40 × 63 = 378/2520
  4. Add the two fractions:
    3600/2520 + 378/2520 = 3600 + 378/2520 = 3978/2520
  5. 3978/2520 simplified gives 221/140
  6. So, 90/63 + 6/40 = 221/140
    In mixed form: 181/140

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