Add 20/80 and 7/50
20/80 + 7/50 is 39/100.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 50 is 400
Next, find the equivalent fraction of both fractional numbers with denominator 400 - For the 1st fraction, since 80 × 5 = 400,
20/80 = 20 × 5/80 × 5 = 100/400 - Likewise, for the 2nd fraction, since 50 × 8 = 400,
7/50 = 7 × 8/50 × 8 = 56/400 - Add the two like fractions:
100/400 + 56/400 = 100 + 56/400 = 156/400 - 156/400 simplified gives 39/100
- So, 20/80 + 7/50 = 39/100
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/80+7/50 20/80+14/50 60/80+7/50 20/80+21/50 20/80+35/50 20/80+49/50