Add 3/10 and 20/70
3/10 + 20/70 is 41/70.
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,
20/70 = 20 × 1/70 × 1 = 20/70 - Add the two like fractions:
21/70 + 20/70 = 21 + 20/70 = 41/70 - So, 3/10 + 20/70 = 41/70
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/10+20/70 3/10+40/70 3/20+20/70 9/10+20/70 3/10+60/70 3/30+20/70 15/10+20/70 3/50+20/70 21/10+20/70 3/70+20/70