Answers

Add 8/63 and 98/80

1^st number: 8/63, 2^nd number: 1 18/80

8/63 + 98/80 is 3407/2520.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 63 and 80 is 5040
   
   Next, find the equivalent fraction of both fractional numbers with denominator 5040
2. For the 1st fraction, since 63 × 80 = 5040,
   8/63 = 8 × 80/63 × 80 = 640/5040
3. Likewise, for the 2nd fraction, since 80 × 63 = 5040,
   98/80 = 98 × 63/80 × 63 = 6174/5040
4. Add the two like fractions:
   640/5040 + 6174/5040 = 640 + 6174/5040 = 6814/5040
5. 6814/5040 simplified gives 3407/2520
6. So, 8/63 + 98/80 = 3407/2520
   In mixed form: 1887/2520

MathStep (Works offline)

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

Related: ¹⁶/₆₃+⁹⁸/₈₀ ²⁴/₆₃+⁹⁸/₈₀ ⁴⁰/₆₃+⁹⁸/₈₀ ⁵⁶/₆₃+⁹⁸/₈₀

Add Fractions Calculator