Answers

Add 80/90 and 63/54

1^st number: 80/90, 2^nd number: 1 9/54

80/90 + 63/54 is 37/18.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 90 and 54 is 270
   
   Next, find the equivalent fraction of both fractional numbers with denominator 270
2. For the 1st fraction, since 90 × 3 = 270,
   80/90 = 80 × 3/90 × 3 = 240/270
3. Likewise, for the 2nd fraction, since 54 × 5 = 270,
   63/54 = 63 × 5/54 × 5 = 315/270
4. Add the two like fractions:
   240/270 + 315/270 = 240 + 315/270 = 555/270
5. 555/270 simplified gives 37/18
6. So, 80/90 + 63/54 = 37/18
   In mixed form: 21/18

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