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Add 1/70 and 45/20

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

1/70 + 45/20 is 317/140.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 70 and 20 is 140
  2. For the 1st fraction, since 70 × 2 = 140,
    1/70 = 1 × 2/70 × 2 = 2/140
  3. Likewise, for the 2nd fraction, since 20 × 7 = 140,
    45/20 = 45 × 7/20 × 7 = 315/140
  4. Add the two fractions:
    2/140 + 315/140 = 2 + 315/140 = 317/140
  5. In mixed form: 237/140

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