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Add 45/15 and 21/7

1st number: 3 0/15, 2nd number: 3 0/7

45/15 + 21/7 is 6/1.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 15 and 7 is 105
  2. For the 1st fraction, since 15 × 7 = 105,
    45/15 = 45 × 7/15 × 7 = 315/105
  3. Likewise, for the 2nd fraction, since 7 × 15 = 105,
    21/7 = 21 × 15/7 × 15 = 315/105
  4. Add the two fractions:
    315/105 + 315/105 = 315 + 315/105 = 630/105
  5. After reducing the fraction, the answer is 6/1

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