Add 5/45 and 12/27
5/45 + 12/27 is 5/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 27 is 135
Next, find the equivalent fraction of both fractional numbers with denominator 135 - For the 1st fraction, since 45 × 3 = 135,
5/45 = 5 × 3/45 × 3 = 15/135 - Likewise, for the 2nd fraction, since 27 × 5 = 135,
12/27 = 12 × 5/27 × 5 = 60/135 - Add the two like fractions:
15/135 + 60/135 = 15 + 60/135 = 75/135 - 75/135 simplified gives 5/9
- So, 5/45 + 12/27 = 5/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/45+12/27 5/45+24/27 5/90+12/27 5/45+12/54 15/45+12/27 5/45+36/27 5/45+12/81 25/45+12/27 5/45+60/27 35/45+12/27 5/45+84/27