Add 54/10 and 15/90
1st number: 5 4/10, 2nd number: 15/90
54/10 + 15/90 is 167/30.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 90 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 10 × 9 = 90,
54/10 = 54 × 9/10 × 9 = 486/90 - Likewise, for the 2nd fraction, since 90 × 1 = 90,
15/90 = 15 × 1/90 × 1 = 15/90 - Add the two like fractions:
486/90 + 15/90 = 486 + 15/90 = 501/90 - 501/90 simplified gives 167/30
- So, 54/10 + 15/90 = 167/30
In mixed form: 517/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/10+30/90 54/20+15/90 54/10+45/90 54/30+15/90 54/10+75/90 54/50+15/90 54/70+15/90