Answers

Add 6/14 and 54/21

1^st number: 6/14, 2^nd number: 2 12/21

6/14 + 54/21 is 3/1.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 14 and 21 is 42
   
   Next, find the equivalent fraction of both fractional numbers with denominator 42
2. For the 1st fraction, since 14 × 3 = 42,
   6/14 = 6 × 3/14 × 3 = 18/42
3. Likewise, for the 2nd fraction, since 21 × 2 = 42,
   54/21 = 54 × 2/21 × 2 = 108/42
4. Add the two like fractions:
   18/42 + 108/42 = 18 + 108/42 = 126/42
5. 126/42 simplified gives 3/1
6. So, 6/14 + 54/21 = 3/1

MathStep (Works offline)

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

Related: ¹²/₁₄+⁵⁴/₂₁ ⁶/₂₈+⁵⁴/₂₁ ⁶/₁₄+⁵⁴/₄₂ ¹⁸/₁₄+⁵⁴/₂₁ ⁶/₄₂+⁵⁴/₂₁ ⁶/₁₄+⁵⁴/₆₃ ³⁰/₁₄+⁵⁴/₂₁ ⁶/₇₀+⁵⁴/₂₁ ⁴²/₁₄+⁵⁴/₂₁ ⁶/₉₈+⁵⁴/₂₁

Add Fractions Calculator