Add 7/10 and 7/70
7/10 + 7/70 is 4/5.
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,
7/10 = 7 × 7/10 × 7 = 49/70 - Likewise, for the 2nd fraction, since 70 × 1 = 70,
7/70 = 7 × 1/70 × 1 = 7/70 - Add the two like fractions:
49/70 + 7/70 = 49 + 7/70 = 56/70 - 56/70 simplified gives 4/5
- So, 7/10 + 7/70 = 4/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/10+7/70 7/10+14/70 7/20+7/70 21/10+7/70 7/10+21/70 7/30+7/70 35/10+7/70 7/10+35/70 7/50+7/70 49/10+7/70 7/10+49/70 7/70+7/70