Add 8/20 and 7/10
8/20 + 7/10 is 11/10.
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,
8/20 = 8 × 1/20 × 1 = 8/20 - Likewise, for the 2nd fraction, since 10 × 2 = 20,
7/10 = 7 × 2/10 × 2 = 14/20 - Add the two like fractions:
8/20 + 14/20 = 8 + 14/20 = 22/20 - 22/20 simplified gives 11/10
- So, 8/20 + 7/10 = 11/10
In mixed form: 11/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/20+7/10 8/20+14/10 8/40+7/10 8/20+7/20 24/20+7/10 8/20+21/10 8/60+7/10 8/20+7/30 40/20+7/10 8/20+35/10 8/20+7/50 56/20+7/10 8/20+49/10 8/20+7/70