Answers

Add 63/90 and 90/54

1^st number: 63/90, 2^nd number: 1 36/54

63/90 + 90/54 is 71/30.

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,
   63/90 = 63 × 3/90 × 3 = 189/270
3. Likewise, for the 2nd fraction, since 54 × 5 = 270,
   90/54 = 90 × 5/54 × 5 = 450/270
4. Add the two like fractions:
   189/270 + 450/270 = 189 + 450/270 = 639/270
5. 639/270 simplified gives 71/30
6. So, 63/90 + 90/54 = 71/30
   In mixed form: 211/30

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