Add 10/54 and 18/40
10/54 + 18/40 is 343/540.
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,
10/54 = 10 × 20/54 × 20 = 200/1080 - Likewise, for the 2nd fraction, since 40 × 27 = 1080,
18/40 = 18 × 27/40 × 27 = 486/1080 - Add the two like fractions:
200/1080 + 486/1080 = 200 + 486/1080 = 686/1080 - 686/1080 simplified gives 343/540
- So, 10/54 + 18/40 = 343/540
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/54+18/40 10/54+36/40 10/54+18/80 30/54+18/40 10/54+54/40 50/54+18/40 10/54+90/40 70/54+18/40