Add 12/54 and 5/45
12/54 + 5/45 is 1/3.
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,
12/54 = 12 × 5/54 × 5 = 60/270 - Likewise, for the 2nd fraction, since 45 × 6 = 270,
5/45 = 5 × 6/45 × 6 = 30/270 - Add the two like fractions:
60/270 + 30/270 = 60 + 30/270 = 90/270 - 90/270 simplified gives 1/3
- So, 12/54 + 5/45 = 1/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/54+5/45 12/54+10/45 12/54+5/90 36/54+5/45 12/54+15/45 60/54+5/45 12/54+25/45 84/54+5/45 12/54+35/45