Add 9/30 and 54/45
1st number: 9/30, 2nd number: 1 9/45
9/30 + 54/45 is 3/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 45 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 30 × 3 = 90,
9/30 = 9 × 3/30 × 3 = 27/90 - Likewise, for the 2nd fraction, since 45 × 2 = 90,
54/45 = 54 × 2/45 × 2 = 108/90 - Add the two like fractions:
27/90 + 108/90 = 27 + 108/90 = 135/90 - 135/90 simplified gives 3/2
- So, 9/30 + 54/45 = 3/2
In mixed form: 11/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/30+54/45 9/60+54/45 9/30+54/90 27/30+54/45 9/90+54/45 45/30+54/45 63/30+54/45