Add 5/18 and 63/45
1st number: 5/18, 2nd number: 1 18/45
5/18 + 63/45 is 151/90.
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,
5/18 = 5 × 5/18 × 5 = 25/90 - Likewise, for the 2nd fraction, since 45 × 2 = 90,
63/45 = 63 × 2/45 × 2 = 126/90 - Add the two like fractions:
25/90 + 126/90 = 25 + 126/90 = 151/90 - So, 5/18 + 63/45 = 151/90
In mixed form: 161/90
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/18+63/45 5/36+63/45 5/18+63/90 15/18+63/45 5/54+63/45 25/18+63/45 5/90+63/45 35/18+63/45