Add 1/54 and 12/40
1/54 + 12/40 is 43/135.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 40 is 1080
Next, find the equivalent fraction of both fractional numbers with denominator 1080 - For the 1st fraction, since 54 × 20 = 1080,
1/54 = 1 × 20/54 × 20 = 20/1080 - Likewise, for the 2nd fraction, since 40 × 27 = 1080,
12/40 = 12 × 27/40 × 27 = 324/1080 - Add the two like fractions:
20/1080 + 324/1080 = 20 + 324/1080 = 344/1080 - 344/1080 simplified gives 43/135
- So, 1/54 + 12/40 = 43/135
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/54+12/40 1/54+24/40 1/54+12/80 3/54+12/40 1/54+36/40 5/54+12/40 1/54+60/40 7/54+12/40 1/54+84/40