Add 20/10 and 45/4
1st number: 2 0/10, 2nd number: 11 1/4
20/10 + 45/4 is 53/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 4 is 20
Next, find the equivalent fraction of both fractional numbers with denominator 20 - For the 1st fraction, since 10 × 2 = 20,
20/10 = 20 × 2/10 × 2 = 40/20 - Likewise, for the 2nd fraction, since 4 × 5 = 20,
45/4 = 45 × 5/4 × 5 = 225/20 - Add the two like fractions:
40/20 + 225/20 = 40 + 225/20 = 265/20 - 265/20 simplified gives 53/4
- So, 20/10 + 45/4 = 53/4
In mixed form: 131/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/10+45/4 20/10+90/4 20/10+45/8 60/10+45/4 20/30+45/4 20/10+45/12 20/50+45/4 20/10+45/20 20/70+45/4 20/10+45/28