Add 7/20 and 80/50
1st number: 7/20, 2nd number: 1 30/50
7/20 + 80/50 is 39/20.
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,
7/20 = 7 × 5/20 × 5 = 35/100 - Likewise, for the 2nd fraction, since 50 × 2 = 100,
80/50 = 80 × 2/50 × 2 = 160/100 - Add the two like fractions:
35/100 + 160/100 = 35 + 160/100 = 195/100 - 195/100 simplified gives 39/20
- So, 7/20 + 80/50 = 39/20
In mixed form: 119/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/20+80/50 7/40+80/50 21/20+80/50 7/60+80/50 35/20+80/50 49/20+80/50