Add 25/40 and 20/54
25/40 + 20/54 is 215/216.
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,
25/40 = 25 × 27/40 × 27 = 675/1080 - Likewise, for the 2nd fraction, since 54 × 20 = 1080,
20/54 = 20 × 20/54 × 20 = 400/1080 - Add the two like fractions:
675/1080 + 400/1080 = 675 + 400/1080 = 1075/1080 - 1075/1080 simplified gives 215/216
- So, 25/40 + 20/54 = 215/216
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/40+20/54 25/40+40/54 25/80+20/54 75/40+20/54 25/40+60/54