Add 54/6 and 18/40
1st number: 9 0/6, 2nd number: 18/40
54/6 + 18/40 is 189/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 40 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 6 × 20 = 120,
54/6 = 54 × 20/6 × 20 = 1080/120 - Likewise, for the 2nd fraction, since 40 × 3 = 120,
18/40 = 18 × 3/40 × 3 = 54/120 - Add the two like fractions:
1080/120 + 54/120 = 1080 + 54/120 = 1134/120 - 1134/120 simplified gives 189/20
- So, 54/6 + 18/40 = 189/20
In mixed form: 99/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/6+36/40 54/12+18/40 54/6+18/80 54/6+54/40 54/18+18/40 54/6+90/40 54/30+18/40 54/42+18/40