Add 54/9 and 8/20
1st number: 6 0/9, 2nd number: 8/20
54/9 + 8/20 is 32/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 20 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 9 × 20 = 180,
54/9 = 54 × 20/9 × 20 = 1080/180 - Likewise, for the 2nd fraction, since 20 × 9 = 180,
8/20 = 8 × 9/20 × 9 = 72/180 - Add the two like fractions:
1080/180 + 72/180 = 1080 + 72/180 = 1152/180 - 1152/180 simplified gives 32/5
- So, 54/9 + 8/20 = 32/5
In mixed form: 62/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/9+16/20 54/18+8/20 54/9+8/40 54/9+24/20 54/27+8/20 54/9+8/60 54/9+40/20 54/45+8/20 54/9+56/20 54/63+8/20