Answers

Add 98/80 and 63/54

1^st number: 1 18/80, 2^nd number: 1 9/54

98/80 + 63/54 is 287/120.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 80 and 54 is 2160
   
   Next, find the equivalent fraction of both fractional numbers with denominator 2160
2. For the 1st fraction, since 80 × 27 = 2160,
   98/80 = 98 × 27/80 × 27 = 2646/2160
3. Likewise, for the 2nd fraction, since 54 × 40 = 2160,
   63/54 = 63 × 40/54 × 40 = 2520/2160
4. Add the two like fractions:
   2646/2160 + 2520/2160 = 2646 + 2520/2160 = 5166/2160
5. 5166/2160 simplified gives 287/120
6. So, 98/80 + 63/54 = 287/120
   In mixed form: 247/120

MathStep (Works offline)

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

Related:

Add Fractions Calculator