Add 1/15 and 35/21
1st number: 1/15, 2nd number: 1 14/21
1/15 + 35/21 is 26/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 21 is 105
Next, find the equivalent fraction of both fractional numbers with denominator 105 - For the 1st fraction, since 15 × 7 = 105,
1/15 = 1 × 7/15 × 7 = 7/105 - Likewise, for the 2nd fraction, since 21 × 5 = 105,
35/21 = 35 × 5/21 × 5 = 175/105 - Add the two like fractions:
7/105 + 175/105 = 7 + 175/105 = 182/105 - 182/105 simplified gives 26/15
- So, 1/15 + 35/21 = 26/15
In mixed form: 111/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/15+35/21 1/15+70/21 1/30+35/21 1/15+35/42 3/15+35/21 1/45+35/21 1/15+35/63 5/15+35/21 1/75+35/21 7/15+35/21