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Add 45/20 and 5/70

1st number: 2 5/20, 2nd number: 5/70

45/20 + 5/70 is 65/28.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 20 and 70 is 140
  2. For the 1st fraction, since 20 × 7 = 140,
    45/20 = 45 × 7/20 × 7 = 315/140
  3. Likewise, for the 2nd fraction, since 70 × 2 = 140,
    5/70 = 5 × 2/70 × 2 = 10/140
  4. Add the two fractions:
    315/140 + 10/140 = 315 + 10/140 = 325/140
  5. After reducing the fraction, the answer is 65/28
  6. In mixed form: 29/28

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