Answers

Add 10/84 and 63/54

1^st number: 10/84, 2^nd number: 1 9/54

10/84 + 63/54 is 9/7.

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,
   10/84 = 10 × 9/84 × 9 = 90/756
3. Likewise, for the 2nd fraction, since 54 × 14 = 756,
   63/54 = 63 × 14/54 × 14 = 882/756
4. Add the two like fractions:
   90/756 + 882/756 = 90 + 882/756 = 972/756
5. 972/756 simplified gives 9/7
6. So, 10/84 + 63/54 = 9/7
   In mixed form: 12/7

MathStep (Works offline)

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

Related: ²⁰/₈₄+⁶³/₅₄ ³⁰/₈₄+⁶³/₅₄ ⁵⁰/₈₄+⁶³/₅₄ ⁷⁰/₈₄+⁶³/₅₄

Add Fractions Calculator