Add 7/10 and 3/8
7/10 + 3/8 is 43/40.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 8 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 10 × 4 = 40,
7/10 = 7 × 4/10 × 4 = 28/40 - Likewise, for the 2nd fraction, since 8 × 5 = 40,
3/8 = 3 × 5/8 × 5 = 15/40 - Add the two like fractions:
28/40 + 15/40 = 28 + 15/40 = 43/40 - So, 7/10 + 3/8 = 43/40
In mixed form: 13/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/10+3/8 7/10+6/8 7/20+3/8 7/10+3/16 21/10+3/8 7/10+9/8 7/30+3/8 7/10+3/24 35/10+3/8 7/10+15/8 7/50+3/8 7/10+3/40 49/10+3/8 7/10+21/8 7/70+3/8 7/10+3/56