Add 20/5 and 10/70
1st number: 4 0/5, 2nd number: 10/70
20/5 + 10/70 is 29/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 70 is 70
Next, find the equivalent fraction of both fractional numbers with denominator 70 - For the 1st fraction, since 5 × 14 = 70,
20/5 = 20 × 14/5 × 14 = 280/70 - Likewise, for the 2nd fraction, since 70 × 1 = 70,
10/70 = 10 × 1/70 × 1 = 10/70 - Add the two like fractions:
280/70 + 10/70 = 280 + 10/70 = 290/70 - 290/70 simplified gives 29/7
- So, 20/5 + 10/70 = 29/7
In mixed form: 41/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/5+10/70 20/5+20/70 20/10+10/70 60/5+10/70 20/5+30/70 20/15+10/70 20/5+50/70 20/25+10/70 20/35+10/70