Add 18/90 and 54/30
1st number: 18/90, 2nd number: 1 24/30
18/90 + 54/30 is 2/1.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 30 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 90 × 1 = 90,
18/90 = 18 × 1/90 × 1 = 18/90 - Likewise, for the 2nd fraction, since 30 × 3 = 90,
54/30 = 54 × 3/30 × 3 = 162/90 - Add the two like fractions:
18/90 + 162/90 = 18 + 162/90 = 180/90 - 180/90 simplified gives 2/1
- So, 18/90 + 54/30 = 2/1
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/90+54/30 18/90+54/60 54/90+54/30 18/90+54/90