Add 3/28 and 15/35
3/28 + 15/35 is 15/28.
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,
3/28 = 3 × 5/28 × 5 = 15/140 - Likewise, for the 2nd fraction, since 35 × 4 = 140,
15/35 = 15 × 4/35 × 4 = 60/140 - Add the two like fractions:
15/140 + 60/140 = 15 + 60/140 = 75/140 - 75/140 simplified gives 15/28
- So, 3/28 + 15/35 = 15/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/28+15/35 3/28+30/35 3/56+15/35 3/28+15/70 9/28+15/35 3/28+45/35 3/84+15/35 15/28+15/35 3/28+75/35 21/28+15/35