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Add 42/56 and 48/63

42/56 + 48/63 is 127/84.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 56 and 63 is 504

    Next, find the equivalent fraction of both fractional numbers with denominator 504
  2. For the 1st fraction, since 56 × 9 = 504,
    42/56 = 42 × 9/56 × 9 = 378/504
  3. Likewise, for the 2nd fraction, since 63 × 8 = 504,
    48/63 = 48 × 8/63 × 8 = 384/504
  4. Add the two like fractions:
    378/504 + 384/504 = 378 + 384/504 = 762/504
  5. 762/504 simplified gives 127/84
  6. So, 42/56 + 48/63 = 127/84
    In mixed form: 143/84

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