Answers

Add 64/84 and 30/54

64/84 + 30/54 is 83/63.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 84 and 54 is 756
   
   Next, find the equivalent fraction of both fractional numbers with denominator 756
2. For the 1st fraction, since 84 × 9 = 756,
   64/84 = 64 × 9/84 × 9 = 576/756
3. Likewise, for the 2nd fraction, since 54 × 14 = 756,
   30/54 = 30 × 14/54 × 14 = 420/756
4. Add the two like fractions:
   576/756 + 420/756 = 576 + 420/756 = 996/756
5. 996/756 simplified gives 83/63
6. So, 64/84 + 30/54 = 83/63
   In mixed form: 120/63

MathStep (Works offline)

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

Related: ⁶⁴/₈₄+⁶⁰/₅₄ ⁶⁴/₈₄+⁹⁰/₅₄

Add Fractions Calculator