Add 8/20 and 15/14
1st number: 8/20, 2nd number: 1 1/14
8/20 + 15/14 is 103/70.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 14 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 20 × 7 = 140,
8/20 = 8 × 7/20 × 7 = 56/140 - Likewise, for the 2nd fraction, since 14 × 10 = 140,
15/14 = 15 × 10/14 × 10 = 150/140 - Add the two like fractions:
56/140 + 150/140 = 56 + 150/140 = 206/140 - 206/140 simplified gives 103/70
- So, 8/20 + 15/14 = 103/70
In mixed form: 133/70
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/20+15/14 8/20+30/14 8/40+15/14 8/20+15/28 24/20+15/14 8/20+45/14 8/60+15/14 8/20+15/42 40/20+15/14 8/20+75/14 8/20+15/70 56/20+15/14 8/20+15/98