Add 7/18 and 48/45
1st number: 7/18, 2nd number: 1 3/45
7/18 + 48/45 is 131/90.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 45 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 18 × 5 = 90,
7/18 = 7 × 5/18 × 5 = 35/90 - Likewise, for the 2nd fraction, since 45 × 2 = 90,
48/45 = 48 × 2/45 × 2 = 96/90 - Add the two like fractions:
35/90 + 96/90 = 35 + 96/90 = 131/90 - So, 7/18 + 48/45 = 131/90
In mixed form: 141/90
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/18+48/45 7/18+96/45 7/36+48/45 7/18+48/90 21/18+48/45 7/54+48/45 35/18+48/45 7/90+48/45 49/18+48/45