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Add 1/72 and 42/63

1/72 + 42/63 is 49/72.

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,
    1/72 = 1 × 7/72 × 7 = 7/504
  3. Likewise, for the 2nd fraction, since 63 × 8 = 504,
    42/63 = 42 × 8/63 × 8 = 336/504
  4. Add the two like fractions:
    7/504 + 336/504 = 7 + 336/504 = 343/504
  5. 343/504 simplified gives 49/72
  6. So, 1/72 + 42/63 = 49/72

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