Add 45/28 and 6/15
1st number: 1 17/28, 2nd number: 6/15
45/28 + 6/15 is 281/140.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 15 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 28 × 15 = 420,
45/28 = 45 × 15/28 × 15 = 675/420 - Likewise, for the 2nd fraction, since 15 × 28 = 420,
6/15 = 6 × 28/15 × 28 = 168/420 - Add the two like fractions:
675/420 + 168/420 = 675 + 168/420 = 843/420 - 843/420 simplified gives 281/140
- So, 45/28 + 6/15 = 281/140
In mixed form: 21/140
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/28+6/15 45/28+12/15 45/56+6/15 45/28+6/30 45/28+18/15 45/84+6/15 45/28+6/45 45/28+30/15 45/28+6/75 45/28+42/15