Add 18/5 and 40/54
1st number: 3 3/5, 2nd number: 40/54
18/5 + 40/54 is 586/135.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 54 is 270
Next, find the equivalent fraction of both fractional numbers with denominator 270 - For the 1st fraction, since 5 × 54 = 270,
18/5 = 18 × 54/5 × 54 = 972/270 - Likewise, for the 2nd fraction, since 54 × 5 = 270,
40/54 = 40 × 5/54 × 5 = 200/270 - Add the two like fractions:
972/270 + 200/270 = 972 + 200/270 = 1172/270 - 1172/270 simplified gives 586/135
- So, 18/5 + 40/54 = 586/135
In mixed form: 446/135
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/5+40/54 18/5+80/54 18/10+40/54 54/5+40/54 18/15+40/54 90/5+40/54 18/25+40/54 18/35+40/54