Add 18/54 and 10/15
18/54 + 10/15 is 1/1.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 15 is 270
Next, find the equivalent fraction of both fractional numbers with denominator 270 - For the 1st fraction, since 54 × 5 = 270,
18/54 = 18 × 5/54 × 5 = 90/270 - Likewise, for the 2nd fraction, since 15 × 18 = 270,
10/15 = 10 × 18/15 × 18 = 180/270 - Add the two like fractions:
90/270 + 180/270 = 90 + 180/270 = 270/270 - 270/270 simplified gives 1/1
- So, 18/54 + 10/15 = 1/1
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/54+10/15 18/54+20/15 18/54+10/30 18/54+30/15 18/54+10/45 90/54+10/15 18/54+50/15 18/54+10/75 18/54+70/15