Add 6/54 and 30/40
6/54 + 30/40 is 31/36.
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,
6/54 = 6 × 20/54 × 20 = 120/1080 - Likewise, for the 2nd fraction, since 40 × 27 = 1080,
30/40 = 30 × 27/40 × 27 = 810/1080 - Add the two like fractions:
120/1080 + 810/1080 = 120 + 810/1080 = 930/1080 - 930/1080 simplified gives 31/36
- So, 6/54 + 30/40 = 31/36
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/54+30/40 6/54+60/40 6/54+30/80 18/54+30/40 6/54+90/40 30/54+30/40 42/54+30/40