Add 4/15 and 3/45
4/15 + 3/45 is 1/3.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 45 is 45
Next, find the equivalent fraction of both fractional numbers with denominator 45 - For the 1st fraction, since 15 × 3 = 45,
4/15 = 4 × 3/15 × 3 = 12/45 - Likewise, for the 2nd fraction, since 45 × 1 = 45,
3/45 = 3 × 1/45 × 1 = 3/45 - Add the two like fractions:
12/45 + 3/45 = 12 + 3/45 = 15/45 - 15/45 simplified gives 1/3
- So, 4/15 + 3/45 = 1/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/15+3/45 4/15+6/45 4/30+3/45 4/15+3/90 12/15+3/45 4/15+9/45 4/45+3/45 20/15+3/45 4/15+15/45 4/75+3/45 28/15+3/45 4/15+21/45