Add 18/45 and 8/25
18/45 + 8/25 is 18/25.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 25 is 225
Next, find the equivalent fraction of both fractional numbers with denominator 225 - For the 1st fraction, since 45 × 5 = 225,
18/45 = 18 × 5/45 × 5 = 90/225 - Likewise, for the 2nd fraction, since 25 × 9 = 225,
8/25 = 8 × 9/25 × 9 = 72/225 - Add the two like fractions:
90/225 + 72/225 = 90 + 72/225 = 162/225 - 162/225 simplified gives 18/25
- So, 18/45 + 8/25 = 18/25
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/45+8/25 18/45+16/25 18/90+8/25 18/45+8/50 54/45+8/25 18/45+24/25 18/45+8/75 90/45+8/25 18/45+40/25 18/45+56/25