Add 20/7 and 20/70
1st number: 2 6/7, 2nd number: 20/70
20/7 + 20/70 is 22/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 70 is 70
Next, find the equivalent fraction of both fractional numbers with denominator 70 - For the 1st fraction, since 7 × 10 = 70,
20/7 = 20 × 10/7 × 10 = 200/70 - Likewise, for the 2nd fraction, since 70 × 1 = 70,
20/70 = 20 × 1/70 × 1 = 20/70 - Add the two like fractions:
200/70 + 20/70 = 200 + 20/70 = 220/70 - 220/70 simplified gives 22/7
- So, 20/7 + 20/70 = 22/7
In mixed form: 31/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/7+20/70 20/7+40/70 20/14+20/70 60/7+20/70 20/7+60/70 20/21+20/70 20/35+20/70 20/49+20/70