Answers

Add 2/28 and 63/21

1^st number: 2/28, 2^nd number: 3 0/21

2/28 + 63/21 is 43/14.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 28 and 21 is 84
   
   Next, find the equivalent fraction of both fractional numbers with denominator 84
2. For the 1st fraction, since 28 × 3 = 84,
   2/28 = 2 × 3/28 × 3 = 6/84
3. Likewise, for the 2nd fraction, since 21 × 4 = 84,
   63/21 = 63 × 4/21 × 4 = 252/84
4. Add the two like fractions:
   6/84 + 252/84 = 6 + 252/84 = 258/84
5. 258/84 simplified gives 43/14
6. So, 2/28 + 63/21 = 43/14
   In mixed form: 31/14

MathStep (Works offline)

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

Related: ⁴/₂₈+⁶³/₂₁ ²/₅₆+⁶³/₂₁ ²/₂₈+⁶³/₄₂ ⁶/₂₈+⁶³/₂₁ ²/₈₄+⁶³/₂₁ ¹⁰/₂₈+⁶³/₂₁ ¹⁴/₂₈+⁶³/₂₁

Add Fractions Calculator