Add 20/10 and 75/7
1st number: 2 0/10, 2nd number: 10 5/7
20/10 + 75/7 is 89/7.
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,
75/7 = 75 × 10/7 × 10 = 750/70 - Add the two like fractions:
140/70 + 750/70 = 140 + 750/70 = 890/70 - 890/70 simplified gives 89/7
- So, 20/10 + 75/7 = 89/7
In mixed form: 125/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/10+75/7 20/10+75/14 60/10+75/7 20/30+75/7 20/10+75/21 20/50+75/7 20/10+75/35 20/70+75/7 20/10+75/49