Add 3/5 and 12/28
3/5 + 12/28 is 36/35.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 28 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 5 × 28 = 140,
3/5 = 3 × 28/5 × 28 = 84/140 - Likewise, for the 2nd fraction, since 28 × 5 = 140,
12/28 = 12 × 5/28 × 5 = 60/140 - Add the two like fractions:
84/140 + 60/140 = 84 + 60/140 = 144/140 - 144/140 simplified gives 36/35
- So, 3/5 + 12/28 = 36/35
In mixed form: 11/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/5+12/28 3/5+24/28 3/10+12/28 3/5+12/56 9/5+12/28 3/5+36/28 3/15+12/28 3/5+12/84 15/5+12/28 3/5+60/28 3/25+12/28 21/5+12/28 3/5+84/28 3/35+12/28