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Add 3/70 and 72/20

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

3/70 + 72/20 is 51/14.

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,
    3/70 = 3 × 2/70 × 2 = 6/140
  3. Likewise, for the 2nd fraction, since 20 × 7 = 140,
    72/20 = 72 × 7/20 × 7 = 504/140
  4. Add the two fractions:
    6/140 + 504/140 = 6 + 504/140 = 510/140
  5. 510/140 simplified gives 51/14
  6. So, 3/70 + 72/20 = 51/14
    In mixed form: 39/14

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