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Add 45/9 and 21/7

1st number: 5 0/9, 2nd number: 3 0/7

45/9 + 21/7 is 8/1.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 9 and 7 is 63
  2. For the 1st fraction, since 9 × 7 = 63,
    45/9 = 45 × 7/9 × 7 = 315/63
  3. Likewise, for the 2nd fraction, since 7 × 9 = 63,
    21/7 = 21 × 9/7 × 9 = 189/63
  4. Add the two fractions:
    315/63 + 189/63 = 315 + 189/63 = 504/63
  5. After reducing the fraction, the answer is 8/1

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