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Add 1/40 and 90/63

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

1/40 + 90/63 is 407/280.

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,
    1/40 = 1 × 63/40 × 63 = 63/2520
  3. Likewise, for the 2nd fraction, since 63 × 40 = 2520,
    90/63 = 90 × 40/63 × 40 = 3600/2520
  4. Add the two like fractions:
    63/2520 + 3600/2520 = 63 + 3600/2520 = 3663/2520
  5. 3663/2520 simplified gives 407/280
  6. So, 1/40 + 90/63 = 407/280
    In mixed form: 1127/280

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