Add 54/45 and 3/30
1st number: 1 9/45, 2nd number: 3/30
54/45 + 3/30 is 13/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 30 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 45 × 2 = 90,
54/45 = 54 × 2/45 × 2 = 108/90 - Likewise, for the 2nd fraction, since 30 × 3 = 90,
3/30 = 3 × 3/30 × 3 = 9/90 - Add the two like fractions:
108/90 + 9/90 = 108 + 9/90 = 117/90 - 117/90 simplified gives 13/10
- So, 54/45 + 3/30 = 13/10
In mixed form: 13/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/45+6/30 54/90+3/30 54/45+3/60 54/45+9/30 54/45+3/90 54/45+15/30 54/45+21/30