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Add 5/70 and 72/20

1st number: 5/70, 2nd number: 3 12/20

5/70 + 72/20 is 257/70.

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,
    5/70 = 5 × 2/70 × 2 = 10/140
  3. Likewise, for the 2nd fraction, since 20 × 7 = 140,
    72/20 = 72 × 7/20 × 7 = 504/140
  4. Add the two fractions:
    10/140 + 504/140 = 10 + 504/140 = 514/140
  5. 514/140 simplified gives 257/70
  6. So, 5/70 + 72/20 = 257/70
    In mixed form: 347/70

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