Add 10/28 and 20/5
1st number: 10/28, 2nd number: 4 0/5
10/28 + 20/5 is 61/14.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 5 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 28 × 5 = 140,
10/28 = 10 × 5/28 × 5 = 50/140 - Likewise, for the 2nd fraction, since 5 × 28 = 140,
20/5 = 20 × 28/5 × 28 = 560/140 - Add the two like fractions:
50/140 + 560/140 = 50 + 560/140 = 610/140 - 610/140 simplified gives 61/14
- So, 10/28 + 20/5 = 61/14
In mixed form: 45/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/28+20/5 10/28+40/5 10/56+20/5 10/28+20/10 30/28+20/5 10/28+60/5 10/84+20/5 10/28+20/15 50/28+20/5 10/28+20/25 70/28+20/5 10/28+20/35