Add 20/10 and 84/7
1st number: 2 0/10, 2nd number: 12 0/7
20/10 + 84/7 is 14/1.
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,
84/7 = 84 × 10/7 × 10 = 840/70 - Add the two like fractions:
140/70 + 840/70 = 140 + 840/70 = 980/70 - 980/70 simplified gives 14/1
- So, 20/10 + 84/7 = 14/1
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/10+84/7 20/10+84/14 60/10+84/7 20/30+84/7 20/10+84/21 20/50+84/7 20/10+84/35 20/70+84/7 20/10+84/49