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Add 42/72 and 35/63

42/72 + 35/63 is 41/36.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 72 and 63 is 504

    Next, find the equivalent fraction of both fractional numbers with denominator 504
  2. For the 1st fraction, since 72 × 7 = 504,
    42/72 = 42 × 7/72 × 7 = 294/504
  3. Likewise, for the 2nd fraction, since 63 × 8 = 504,
    35/63 = 35 × 8/63 × 8 = 280/504
  4. Add the two like fractions:
    294/504 + 280/504 = 294 + 280/504 = 574/504
  5. 574/504 simplified gives 41/36
  6. So, 42/72 + 35/63 = 41/36
    In mixed form: 15/36

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