Add 20/2 and 5/7
1st number: 10 0/2, 2nd number: 5/7
20/2 + 5/7 is 75/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 7 is 14
Next, find the equivalent fraction of both fractional numbers with denominator 14 - For the 1st fraction, since 2 × 7 = 14,
20/2 = 20 × 7/2 × 7 = 140/14 - Likewise, for the 2nd fraction, since 7 × 2 = 14,
5/7 = 5 × 2/7 × 2 = 10/14 - Add the two like fractions:
140/14 + 10/14 = 140 + 10/14 = 150/14 - 150/14 simplified gives 75/7
- So, 20/2 + 5/7 = 75/7
In mixed form: 105/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/2+5/7 20/2+10/7 20/4+5/7 20/2+5/14 60/2+5/7 20/2+15/7 20/6+5/7 20/2+5/21 20/2+25/7 20/10+5/7 20/2+5/35 20/2+35/7 20/14+5/7 20/2+5/49