Add 3/54 and 20/45
3/54 + 20/45 is 1/2.
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,
3/54 = 3 × 5/54 × 5 = 15/270 - Likewise, for the 2nd fraction, since 45 × 6 = 270,
20/45 = 20 × 6/45 × 6 = 120/270 - Add the two like fractions:
15/270 + 120/270 = 15 + 120/270 = 135/270 - 135/270 simplified gives 1/2
- So, 3/54 + 20/45 = 1/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/54+20/45 3/54+40/45 3/54+20/90 9/54+20/45 3/54+60/45 15/54+20/45 21/54+20/45