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Add 25/70 and 30/20

1st number: 25/70, 2nd number: 1 10/20

25/70 + 30/20 is 13/7.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 70 and 20 is 140

    Next, find the equivalent fraction of both fractional numbers with denominator 140
  2. For the 1st fraction, since 70 × 2 = 140,
    25/70 = 25 × 2/70 × 2 = 50/140
  3. Likewise, for the 2nd fraction, since 20 × 7 = 140,
    30/20 = 30 × 7/20 × 7 = 210/140
  4. Add the two like fractions:
    50/140 + 210/140 = 50 + 210/140 = 260/140
  5. 260/140 simplified gives 13/7
  6. So, 25/70 + 30/20 = 13/7
    In mixed form: 16/7

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