Add 18/10 and 15/54
1st number: 1 8/10, 2nd number: 15/54
18/10 + 15/54 is 187/90.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 54 is 270
Next, find the equivalent fraction of both fractional numbers with denominator 270 - For the 1st fraction, since 10 × 27 = 270,
18/10 = 18 × 27/10 × 27 = 486/270 - Likewise, for the 2nd fraction, since 54 × 5 = 270,
15/54 = 15 × 5/54 × 5 = 75/270 - Add the two like fractions:
486/270 + 75/270 = 486 + 75/270 = 561/270 - 561/270 simplified gives 187/90
- So, 18/10 + 15/54 = 187/90
In mixed form: 27/90
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/10+15/54 18/10+30/54 18/20+15/54 54/10+15/54 18/10+45/54 18/30+15/54 90/10+15/54 18/10+75/54 18/50+15/54 18/70+15/54