Add 3/10 and 45/18
1st number: 3/10, 2nd number: 2 9/18
3/10 + 45/18 is 14/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 18 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 10 × 9 = 90,
3/10 = 3 × 9/10 × 9 = 27/90 - Likewise, for the 2nd fraction, since 18 × 5 = 90,
45/18 = 45 × 5/18 × 5 = 225/90 - Add the two like fractions:
27/90 + 225/90 = 27 + 225/90 = 252/90 - 252/90 simplified gives 14/5
- So, 3/10 + 45/18 = 14/5
In mixed form: 24/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/10+45/18 3/10+90/18 3/20+45/18 3/10+45/36 9/10+45/18 3/30+45/18 3/10+45/54 15/10+45/18 3/50+45/18 3/10+45/90 21/10+45/18 3/70+45/18