Add 54/20 and 40/8
1st number: 2 14/20, 2nd number: 5 0/8
54/20 + 40/8 is 77/10.
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,
54/20 = 54 × 2/20 × 2 = 108/40 - Likewise, for the 2nd fraction, since 8 × 5 = 40,
40/8 = 40 × 5/8 × 5 = 200/40 - Add the two like fractions:
108/40 + 200/40 = 108 + 200/40 = 308/40 - 308/40 simplified gives 77/10
- So, 54/20 + 40/8 = 77/10
In mixed form: 77/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/20+80/8 54/40+40/8 54/20+40/16 54/60+40/8 54/20+40/24 54/20+40/56