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Add 15/20 and 75/70

1st number: 15/20, 2nd number: 1 5/70

15/20 + 75/70 is 51/28.

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,
    15/20 = 15 × 7/20 × 7 = 105/140
  3. Likewise, for the 2nd fraction, since 70 × 2 = 140,
    75/70 = 75 × 2/70 × 2 = 150/140
  4. Add the two fractions:
    105/140 + 150/140 = 105 + 150/140 = 255/140
  5. 255/140 simplified gives 51/28
  6. So, 15/20 + 75/70 = 51/28
    In mixed form: 123/28

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