Add 18/54 and 12/10
1st number: 18/54, 2nd number: 1 2/10
18/54 + 12/10 is 23/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 10 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 10 × 27 = 270,
12/10 = 12 × 27/10 × 27 = 324/270 - Add the two like fractions:
90/270 + 324/270 = 90 + 324/270 = 414/270 - 414/270 simplified gives 23/15
- So, 18/54 + 12/10 = 23/15
In mixed form: 18/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/54+12/10 18/54+24/10 18/54+12/20 18/54+36/10 18/54+12/30 90/54+12/10 18/54+60/10 18/54+12/50 18/54+84/10 18/54+12/70