Add 8/28 and 10/5
1st number: 8/28, 2nd number: 2 0/5
8/28 + 10/5 is 16/7.
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,
8/28 = 8 × 5/28 × 5 = 40/140 - Likewise, for the 2nd fraction, since 5 × 28 = 140,
10/5 = 10 × 28/5 × 28 = 280/140 - Add the two like fractions:
40/140 + 280/140 = 40 + 280/140 = 320/140 - 320/140 simplified gives 16/7
- So, 8/28 + 10/5 = 16/7
In mixed form: 22/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/28+10/5 8/28+20/5 8/56+10/5 24/28+10/5 8/28+30/5 8/84+10/5 8/28+10/15 40/28+10/5 8/28+50/5 8/28+10/25 56/28+10/5 8/28+70/5 8/28+10/35