Add 8/14 and 45/20
1st number: 8/14, 2nd number: 2 5/20
8/14 + 45/20 is 79/28.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 20 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 14 × 10 = 140,
8/14 = 8 × 10/14 × 10 = 80/140 - Likewise, for the 2nd fraction, since 20 × 7 = 140,
45/20 = 45 × 7/20 × 7 = 315/140 - Add the two like fractions:
80/140 + 315/140 = 80 + 315/140 = 395/140 - 395/140 simplified gives 79/28
- So, 8/14 + 45/20 = 79/28
In mixed form: 223/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/14+45/20 8/14+90/20 8/28+45/20 8/14+45/40 24/14+45/20 8/42+45/20 8/14+45/60 40/14+45/20 8/70+45/20 56/14+45/20 8/98+45/20