Answers

Add 35/21 and 1/42

1^st number: 1 14/21, 2^nd number: 1/42

35/21 + 1/42 is 71/42.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 21 and 42 is 42
   
   Next, find the equivalent fraction of both fractional numbers with denominator 42
2. For the 1st fraction, since 21 × 2 = 42,
   35/21 = 35 × 2/21 × 2 = 70/42
3. Likewise, for the 2nd fraction, since 42 × 1 = 42,
   1/42 = 1 × 1/42 × 1 = 1/42
4. Add the two like fractions:
   70/42 + 1/42 = 70 + 1/42 = 71/42
5. So, 35/21 + 1/42 = 71/42
   In mixed form: 129/42

MathStep (Works offline)

Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad

Related: ⁷⁰/₂₁+¹/₄₂ ³⁵/₂₁+²/₄₂ ³⁵/₄₂+¹/₄₂ ³⁵/₂₁+¹/₈₄ ³⁵/₂₁+³/₄₂ ³⁵/₆₃+¹/₄₂ ³⁵/₂₁+⁵/₄₂ ³⁵/₂₁+⁷/₄₂

Add Fractions Calculator