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Add 8/20 and 7/70

8/20 + 7/70 is 1/2.

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,
    8/20 = 8 × 7/20 × 7 = 56/140
  3. Likewise, for the 2nd fraction, since 70 × 2 = 140,
    7/70 = 7 × 2/70 × 2 = 14/140
  4. Add the two fractions:
    56/140 + 14/140 = 56 + 14/140 = 70/140
  5. After reducing the fraction, the answer is 1/2

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