Add 27/54 and 1/45
27/54 + 1/45 is 47/90.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 45 is 270
Next, find the equivalent fraction of both fractional numbers with denominator 270 - For the 1st fraction, since 54 × 5 = 270,
27/54 = 27 × 5/54 × 5 = 135/270 - Likewise, for the 2nd fraction, since 45 × 6 = 270,
1/45 = 1 × 6/45 × 6 = 6/270 - Add the two like fractions:
135/270 + 6/270 = 135 + 6/270 = 141/270 - 141/270 simplified gives 47/90
- So, 27/54 + 1/45 = 47/90
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 27/54+2/45 27/54+1/90 81/54+1/45 27/54+3/45 27/54+5/45 27/54+7/45