Add 9/30 and 45/25
1st number: 9/30, 2nd number: 1 20/25
9/30 + 45/25 is 21/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 25 is 150
Next, find the equivalent fraction of both fractional numbers with denominator 150 - For the 1st fraction, since 30 × 5 = 150,
9/30 = 9 × 5/30 × 5 = 45/150 - Likewise, for the 2nd fraction, since 25 × 6 = 150,
45/25 = 45 × 6/25 × 6 = 270/150 - Add the two like fractions:
45/150 + 270/150 = 45 + 270/150 = 315/150 - 315/150 simplified gives 21/10
- So, 9/30 + 45/25 = 21/10
In mixed form: 21/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/30+45/25 9/30+90/25 9/60+45/25 9/30+45/50 27/30+45/25 9/90+45/25 9/30+45/75 45/30+45/25 63/30+45/25