Add 8/27 and 15/45
8/27 + 15/45 is 17/27.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 45 is 135
Next, find the equivalent fraction of both fractional numbers with denominator 135 - For the 1st fraction, since 27 × 5 = 135,
8/27 = 8 × 5/27 × 5 = 40/135 - Likewise, for the 2nd fraction, since 45 × 3 = 135,
15/45 = 15 × 3/45 × 3 = 45/135 - Add the two like fractions:
40/135 + 45/135 = 40 + 45/135 = 85/135 - 85/135 simplified gives 17/27
- So, 8/27 + 15/45 = 17/27
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/27+15/45 8/27+30/45 8/54+15/45 8/27+15/90 24/27+15/45 8/81+15/45 40/27+15/45 8/27+75/45 56/27+15/45