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Add 70/15 and 21/9

1st number: 4 10/15, 2nd number: 2 3/9

70/15 + 21/9 is 7/1.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 15 and 9 is 45
  2. For the 1st fraction, since 15 × 3 = 45,
    70/15 = 70 × 3/15 × 3 = 210/45
  3. Likewise, for the 2nd fraction, since 9 × 5 = 45,
    21/9 = 21 × 5/9 × 5 = 105/45
  4. Add the two fractions:
    210/45 + 105/45 = 210 + 105/45 = 315/45
  5. After reducing the fraction, the answer is 7/1

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