Add 15/75 and 1/45
15/75 + 1/45 is 2/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 45 is 225
Next, find the equivalent fraction of both fractional numbers with denominator 225 - For the 1st fraction, since 75 × 3 = 225,
15/75 = 15 × 3/75 × 3 = 45/225 - Likewise, for the 2nd fraction, since 45 × 5 = 225,
1/45 = 1 × 5/45 × 5 = 5/225 - Add the two like fractions:
45/225 + 5/225 = 45 + 5/225 = 50/225 - 50/225 simplified gives 2/9
- So, 15/75 + 1/45 = 2/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/75+1/45 15/75+2/45 15/75+1/90 45/75+1/45 15/75+3/45 15/75+5/45 15/75+7/45