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