Add 18/90 and 60/54
1st number: 18/90, 2nd number: 1 6/54
18/90 + 60/54 is 59/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 54 is 270
Next, find the equivalent fraction of both fractional numbers with denominator 270 - For the 1st fraction, since 90 × 3 = 270,
18/90 = 18 × 3/90 × 3 = 54/270 - Likewise, for the 2nd fraction, since 54 × 5 = 270,
60/54 = 60 × 5/54 × 5 = 300/270 - Add the two like fractions:
54/270 + 300/270 = 54 + 300/270 = 354/270 - 354/270 simplified gives 59/45
- So, 18/90 + 60/54 = 59/45
In mixed form: 114/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/90+60/54 54/90+60/54