Add 10/28 and 40/35
1st number: 10/28, 2nd number: 1 5/35
10/28 + 40/35 is 3/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 35 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 35 × 4 = 140,
40/35 = 40 × 4/35 × 4 = 160/140 - Add the two like fractions:
50/140 + 160/140 = 50 + 160/140 = 210/140 - 210/140 simplified gives 3/2
- So, 10/28 + 40/35 = 3/2
In mixed form: 11/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/28+40/35 10/28+80/35 10/56+40/35 10/28+40/70 30/28+40/35 10/84+40/35 50/28+40/35 70/28+40/35