Add 45/20 and 5/10
1st number: 2 5/20, 2nd number: 5/10
45/20 + 5/10 is 11/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 10 is 20
Next, find the equivalent fraction of both fractional numbers with denominator 20 - For the 1st fraction, since 20 × 1 = 20,
45/20 = 45 × 1/20 × 1 = 45/20 - Likewise, for the 2nd fraction, since 10 × 2 = 20,
5/10 = 5 × 2/10 × 2 = 10/20 - Add the two like fractions:
45/20 + 10/20 = 45 + 10/20 = 55/20 - 55/20 simplified gives 11/4
- So, 45/20 + 5/10 = 11/4
In mixed form: 23/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/20+5/10 45/40+5/10 45/20+5/20 45/20+15/10 45/60+5/10 45/20+5/30 45/20+25/10 45/20+5/50 45/20+35/10 45/20+5/70