Add 20/14 and 75/20
1st number: 1 6/14, 2nd number: 3 15/20
20/14 + 75/20 is 145/28.
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,
20/14 = 20 × 10/14 × 10 = 200/140 - Likewise, for the 2nd fraction, since 20 × 7 = 140,
75/20 = 75 × 7/20 × 7 = 525/140 - Add the two like fractions:
200/140 + 525/140 = 200 + 525/140 = 725/140 - 725/140 simplified gives 145/28
- So, 20/14 + 75/20 = 145/28
In mixed form: 55/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/14+75/20 20/28+75/20 20/14+75/40 60/14+75/20 20/42+75/20 20/14+75/60 20/70+75/20 20/98+75/20