Add 45/4 and 15/10
1st number: 11 1/4, 2nd number: 1 5/10
45/4 + 15/10 is 51/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 10 is 20
Next, find the equivalent fraction of both fractional numbers with denominator 20 - For the 1st fraction, since 4 × 5 = 20,
45/4 = 45 × 5/4 × 5 = 225/20 - Likewise, for the 2nd fraction, since 10 × 2 = 20,
15/10 = 15 × 2/10 × 2 = 30/20 - Add the two like fractions:
225/20 + 30/20 = 225 + 30/20 = 255/20 - 255/20 simplified gives 51/4
- So, 45/4 + 15/10 = 51/4
In mixed form: 123/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/4+15/10 45/4+30/10 45/8+15/10 45/4+15/20 45/4+45/10 45/12+15/10 45/4+15/30 45/4+75/10 45/20+15/10 45/4+15/50 45/28+15/10 45/4+15/70