Add 45/90 and 5/45
45/90 + 5/45 is 11/18.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 45 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 90 × 1 = 90,
45/90 = 45 × 1/90 × 1 = 45/90 - Likewise, for the 2nd fraction, since 45 × 2 = 90,
5/45 = 5 × 2/45 × 2 = 10/90 - Add the two like fractions:
45/90 + 10/90 = 45 + 10/90 = 55/90 - 55/90 simplified gives 11/18
- So, 45/90 + 5/45 = 11/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 45/90+10/45 45/90+5/90 45/90+15/45 45/90+25/45 45/90+35/45