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Add 21/8 and 35/63

1st number: 2 5/8, 2nd number: 35/63

21/8 + 35/63 is 229/72.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 8 and 63 is 504

    Next, find the equivalent fraction of both fractional numbers with denominator 504
  2. For the 1st fraction, since 8 × 63 = 504,
    21/8 = 21 × 63/8 × 63 = 1323/504
  3. Likewise, for the 2nd fraction, since 63 × 8 = 504,
    35/63 = 35 × 8/63 × 8 = 280/504
  4. Add the two like fractions:
    1323/504 + 280/504 = 1323 + 280/504 = 1603/504
  5. 1603/504 simplified gives 229/72
  6. So, 21/8 + 35/63 = 229/72
    In mixed form: 313/72

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