Add 6/40 and 15/54
6/40 + 15/54 is 77/180.
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,
6/40 = 6 × 27/40 × 27 = 162/1080 - Likewise, for the 2nd fraction, since 54 × 20 = 1080,
15/54 = 15 × 20/54 × 20 = 300/1080 - Add the two like fractions:
162/1080 + 300/1080 = 162 + 300/1080 = 462/1080 - 462/1080 simplified gives 77/180
- So, 6/40 + 15/54 = 77/180
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/40+15/54 6/40+30/54 6/80+15/54 18/40+15/54 6/40+45/54 30/40+15/54 6/40+75/54 42/40+15/54