Add 8/40 and 8/54
8/40 + 8/54 is 47/135.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 54 is 1080
Next, find the equivalent fraction of both fractional numbers with denominator 1080 - For the 1st fraction, since 40 × 27 = 1080,
8/40 = 8 × 27/40 × 27 = 216/1080 - Likewise, for the 2nd fraction, since 54 × 20 = 1080,
8/54 = 8 × 20/54 × 20 = 160/1080 - Add the two like fractions:
216/1080 + 160/1080 = 216 + 160/1080 = 376/1080 - 376/1080 simplified gives 47/135
- So, 8/40 + 8/54 = 47/135
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/40+8/54 8/40+16/54 8/80+8/54 24/40+8/54 8/40+24/54 8/40+40/54 56/40+8/54 8/40+56/54