Add 4/45 and 7/15
4/45 + 7/15 is 5/9.
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,
4/45 = 4 × 1/45 × 1 = 4/45 - Likewise, for the 2nd fraction, since 15 × 3 = 45,
7/15 = 7 × 3/15 × 3 = 21/45 - Add the two like fractions:
4/45 + 21/45 = 4 + 21/45 = 25/45 - 25/45 simplified gives 5/9
- So, 4/45 + 7/15 = 5/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/45+7/15 4/45+14/15 4/90+7/15 4/45+7/30 12/45+7/15 4/45+21/15 4/45+7/45 20/45+7/15 4/45+35/15 4/45+7/75 28/45+7/15 4/45+49/15