Add 40/45 and 1/15
40/45 + 1/15 is 43/45.
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,
40/45 = 40 × 1/45 × 1 = 40/45 - Likewise, for the 2nd fraction, since 15 × 3 = 45,
1/15 = 1 × 3/15 × 3 = 3/45 - Add the two like fractions:
40/45 + 3/45 = 40 + 3/45 = 43/45 - So, 40/45 + 1/15 = 43/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/45+1/15 40/45+2/15 40/90+1/15 40/45+1/30 40/45+3/15 40/45+1/45 40/45+5/15 40/45+1/75 40/45+7/15