Add 3/27 and 4/45
3/27 + 4/45 is 1/5.
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,
3/27 = 3 × 5/27 × 5 = 15/135 - Likewise, for the 2nd fraction, since 45 × 3 = 135,
4/45 = 4 × 3/45 × 3 = 12/135 - Add the two like fractions:
15/135 + 12/135 = 15 + 12/135 = 27/135 - 27/135 simplified gives 1/5
- So, 3/27 + 4/45 = 1/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/27+4/45 3/27+8/45 3/54+4/45 3/27+4/90 9/27+4/45 3/27+12/45 3/81+4/45 15/27+4/45 3/27+20/45 21/27+4/45 3/27+28/45