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Add 1/70 and 72/20

1st number: 1/70, 2nd number: 3 12/20

1/70 + 72/20 is 253/70.

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,
    72/20 = 72 × 7/20 × 7 = 504/140
  4. Add the two fractions:
    2/140 + 504/140 = 2 + 504/140 = 506/140
  5. After reducing the fraction, the answer is 253/70
  6. In mixed form: 343/70

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