Add 35/28 and 35/15
1st number: 1 7/28, 2nd number: 2 5/15
35/28 + 35/15 is 43/12.
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,
35/28 = 35 × 15/28 × 15 = 525/420 - Likewise, for the 2nd fraction, since 15 × 28 = 420,
35/15 = 35 × 28/15 × 28 = 980/420 - Add the two like fractions:
525/420 + 980/420 = 525 + 980/420 = 1505/420 - 1505/420 simplified gives 43/12
- So, 35/28 + 35/15 = 43/12
In mixed form: 37/12
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/28+35/15 35/28+70/15 35/56+35/15 35/28+35/30 35/84+35/15 35/28+35/45 35/28+35/75