Add 30/54 and 9/40
30/54 + 9/40 is 281/360.
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,
30/54 = 30 × 20/54 × 20 = 600/1080 - Likewise, for the 2nd fraction, since 40 × 27 = 1080,
9/40 = 9 × 27/40 × 27 = 243/1080 - Add the two like fractions:
600/1080 + 243/1080 = 600 + 243/1080 = 843/1080 - 843/1080 simplified gives 281/360
- So, 30/54 + 9/40 = 281/360
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/54+9/40 30/54+18/40 30/54+9/80 90/54+9/40 30/54+27/40 30/54+45/40 30/54+63/40