Add 15/27 and 28/45
15/27 + 28/45 is 53/45.
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,
15/27 = 15 × 5/27 × 5 = 75/135 - Likewise, for the 2nd fraction, since 45 × 3 = 135,
28/45 = 28 × 3/45 × 3 = 84/135 - Add the two like fractions:
75/135 + 84/135 = 75 + 84/135 = 159/135 - 159/135 simplified gives 53/45
- So, 15/27 + 28/45 = 53/45
In mixed form: 18/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/27+28/45 15/27+56/45 15/54+28/45 15/27+28/90 45/27+28/45 15/27+84/45 15/81+28/45 75/27+28/45