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Add 40/50 and 42/63

40/50 + 42/63 is 22/15.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 50 and 63 is 3150

    Next, find the equivalent fraction of both fractional numbers with denominator 3150
  2. For the 1st fraction, since 50 × 63 = 3150,
    40/50 = 40 × 63/50 × 63 = 2520/3150
  3. Likewise, for the 2nd fraction, since 63 × 50 = 3150,
    42/63 = 42 × 50/63 × 50 = 2100/3150
  4. Add the two like fractions:
    2520/3150 + 2100/3150 = 2520 + 2100/3150 = 4620/3150
  5. 4620/3150 simplified gives 22/15
  6. So, 40/50 + 42/63 = 22/15
    In mixed form: 17/15

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