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Add 70/9 and 21/63

1st number: 7 7/9, 2nd number: 21/63

70/9 + 21/63 is 73/9.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 9 and 63 is 63
  2. For the 1st fraction, since 9 × 7 = 63,
    70/9 = 70 × 7/9 × 7 = 490/63
  3. Likewise, for the 2nd fraction, since 63 × 1 = 63,
    21/63 = 21 × 1/63 × 1 = 21/63
  4. Add the two fractions:
    490/63 + 21/63 = 490 + 21/63 = 511/63
  5. After reducing the fraction, the answer is 73/9
  6. In mixed form: 81/9

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