Add 7/45 and 7/15
7/45 + 7/15 is 28/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 15 is 45
Next, find the equivalent fraction of both fractional numbers with denominator 45 - For the 1st fraction, since 45 × 1 = 45,
7/45 = 7 × 1/45 × 1 = 7/45 - Likewise, for the 2nd fraction, since 15 × 3 = 45,
7/15 = 7 × 3/15 × 3 = 21/45 - Add the two like fractions:
7/45 + 21/45 = 7 + 21/45 = 28/45 - So, 7/45 + 7/15 = 28/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/45+7/15 7/45+14/15 7/90+7/15 7/45+7/30 21/45+7/15 7/45+21/15 7/45+7/45 35/45+7/15 7/45+35/15 7/45+7/75 49/45+7/15 7/45+49/15