Add 48/18 and 45/54
1st number: 2 12/18, 2nd number: 45/54
48/18 + 45/54 is 7/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 54 is 54
Next, find the equivalent fraction of both fractional numbers with denominator 54 - For the 1st fraction, since 18 × 3 = 54,
48/18 = 48 × 3/18 × 3 = 144/54 - Likewise, for the 2nd fraction, since 54 × 1 = 54,
45/54 = 45 × 1/54 × 1 = 45/54 - Add the two like fractions:
144/54 + 45/54 = 144 + 45/54 = 189/54 - 189/54 simplified gives 7/2
- So, 48/18 + 45/54 = 7/2
In mixed form: 31/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 96/18+45/54 48/18+90/54 48/36+45/54 48/54+45/54 48/90+45/54