Add 30/18 and 45/48
1st number: 1 12/18, 2nd number: 45/48
30/18 + 45/48 is 125/48.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 48 is 144
Next, find the equivalent fraction of both fractional numbers with denominator 144 - For the 1st fraction, since 18 × 8 = 144,
30/18 = 30 × 8/18 × 8 = 240/144 - Likewise, for the 2nd fraction, since 48 × 3 = 144,
45/48 = 45 × 3/48 × 3 = 135/144 - Add the two like fractions:
240/144 + 135/144 = 240 + 135/144 = 375/144 - 375/144 simplified gives 125/48
- So, 30/18 + 45/48 = 125/48
In mixed form: 229/48
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/18+45/48 30/18+90/48 30/36+45/48 30/18+45/96 90/18+45/48 30/54+45/48 30/90+45/48