Add 4/5 and 7/10
4/5 + 7/10 is 3/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 10 is 10
Next, find the equivalent fraction of both fractional numbers with denominator 10 - For the 1st fraction, since 5 × 2 = 10,
4/5 = 4 × 2/5 × 2 = 8/10 - Likewise, for the 2nd fraction, since 10 × 1 = 10,
7/10 = 7 × 1/10 × 1 = 7/10 - Add the two like fractions:
8/10 + 7/10 = 8 + 7/10 = 15/10 - 15/10 simplified gives 3/2
- So, 4/5 + 7/10 = 3/2
In mixed form: 11/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/5+7/10 4/5+14/10 4/10+7/10 4/5+7/20 12/5+7/10 4/5+21/10 4/15+7/10 4/5+7/30 20/5+7/10 4/5+35/10 4/25+7/10 4/5+7/50 28/5+7/10 4/5+49/10 4/35+7/10 4/5+7/70