Add 54/10 and 75/90
1st number: 5 4/10, 2nd number: 75/90
54/10 + 75/90 is 187/30.
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,
75/90 = 75 × 1/90 × 1 = 75/90 - Add the two like fractions:
486/90 + 75/90 = 486 + 75/90 = 561/90 - 561/90 simplified gives 187/30
- So, 54/10 + 75/90 = 187/30
In mixed form: 67/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/20+75/90 54/30+75/90 54/50+75/90 54/70+75/90