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Add 18/63 and 42/40

1st number: 18/63, 2nd number: 1 2/40

18/63 + 42/40 is 187/140.

Steps for adding fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 2520
  2. For the 1st fraction, since 63 × 40 = 2520,
    18/63 = 18 × 40/63 × 40 = 720/2520
  3. Likewise, for the 2nd fraction, since 40 × 63 = 2520,
    42/40 = 42 × 63/40 × 63 = 2646/2520
  4. Add the two like fractions:
    720/2520 + 2646/2520 = 720 + 2646/2520 = 3366/2520
  5. 3366/2520 simplified gives 187/140
  6. So, 18/63 + 42/40 = 187/140
    In mixed form: 147/140

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