Add 10/20 and 45/50
10/20 + 45/50 is 7/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 50 is 100
Next, find the equivalent fraction of both fractional numbers with denominator 100 - For the 1st fraction, since 20 × 5 = 100,
10/20 = 10 × 5/20 × 5 = 50/100 - Likewise, for the 2nd fraction, since 50 × 2 = 100,
45/50 = 45 × 2/50 × 2 = 90/100 - Add the two like fractions:
50/100 + 90/100 = 50 + 90/100 = 140/100 - 140/100 simplified gives 7/5
- So, 10/20 + 45/50 = 7/5
In mixed form: 12/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/20+90/50 10/40+45/50 30/20+45/50 10/60+45/50 50/20+45/50 70/20+45/50