Add 8/20 and 54/8
1st number: 8/20, 2nd number: 6 6/8
8/20 + 54/8 is 143/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 8 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 20 × 2 = 40,
8/20 = 8 × 2/20 × 2 = 16/40 - Likewise, for the 2nd fraction, since 8 × 5 = 40,
54/8 = 54 × 5/8 × 5 = 270/40 - Add the two like fractions:
16/40 + 270/40 = 16 + 270/40 = 286/40 - 286/40 simplified gives 143/20
- So, 8/20 + 54/8 = 143/20
In mixed form: 73/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/20+54/8 8/40+54/8 8/20+54/16 24/20+54/8 8/60+54/8 8/20+54/24 40/20+54/8 8/20+54/40 56/20+54/8 8/20+54/56