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Add 15/70 and 45/49

15/70 + 45/49 is 111/98.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 70 and 49 is 490
  2. For the 1st fraction, since 70 × 7 = 490,
    15/70 = 15 × 7/70 × 7 = 105/490
  3. Likewise, for the 2nd fraction, since 49 × 10 = 490,
    45/49 = 45 × 10/49 × 10 = 450/490
  4. Add the two fractions:
    105/490 + 450/490 = 105 + 450/490 = 555/490
  5. After reducing the fraction, the answer is 111/98
  6. In mixed form: 113/98

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