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Add 27/20 and 9/35

1st number: 1 7/20, 2nd number: 9/35

27/20 + 9/35 is 45/28.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 20 and 35 is 140
  2. For the 1st fraction, since 20 × 7 = 140,
    27/20 = 27 × 7/20 × 7 = 189/140
  3. Likewise, for the 2nd fraction, since 35 × 4 = 140,
    9/35 = 9 × 4/35 × 4 = 36/140
  4. Add the two fractions:
    189/140 + 36/140 = 189 + 36/140 = 225/140
  5. 225/140 simplified gives 45/28
  6. So, 27/20 + 9/35 = 45/28
    In mixed form: 117/28

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