Add 20/10 and 12/7
1st number: 2 0/10, 2nd number: 1 5/7
20/10 + 12/7 is 26/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 7 is 70
Next, find the equivalent fraction of both fractional numbers with denominator 70 - For the 1st fraction, since 10 × 7 = 70,
20/10 = 20 × 7/10 × 7 = 140/70 - Likewise, for the 2nd fraction, since 7 × 10 = 70,
12/7 = 12 × 10/7 × 10 = 120/70 - Add the two like fractions:
140/70 + 120/70 = 140 + 120/70 = 260/70 - 260/70 simplified gives 26/7
- So, 20/10 + 12/7 = 26/7
In mixed form: 35/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/10+12/7 20/10+24/7 20/10+12/14 60/10+12/7 20/10+36/7 20/30+12/7 20/10+12/21 20/10+60/7 20/50+12/7 20/10+12/35 20/10+84/7 20/70+12/7 20/10+12/49