Add 1/15 and 7/28
1/15 + 7/28 is 19/60.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 28 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 15 × 28 = 420,
1/15 = 1 × 28/15 × 28 = 28/420 - Likewise, for the 2nd fraction, since 28 × 15 = 420,
7/28 = 7 × 15/28 × 15 = 105/420 - Add the two like fractions:
28/420 + 105/420 = 28 + 105/420 = 133/420 - 133/420 simplified gives 19/60
- So, 1/15 + 7/28 = 19/60
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/15+7/28 1/15+14/28 1/30+7/28 1/15+7/56 3/15+7/28 1/15+21/28 1/45+7/28 1/15+7/84 5/15+7/28 1/15+35/28 1/75+7/28 7/15+7/28 1/15+49/28