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Add 21/20 and 5/35

1st number: 1 1/20, 2nd number: 5/35

21/20 + 5/35 is 167/140.

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,
    21/20 = 21 × 7/20 × 7 = 147/140
  3. Likewise, for the 2nd fraction, since 35 × 4 = 140,
    5/35 = 5 × 4/35 × 4 = 20/140
  4. Add the two fractions:
    147/140 + 20/140 = 147 + 20/140 = 167/140
  5. In mixed form: 127/140

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