Add 3/15 and 8/35
3/15 + 8/35 is 3/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 35 is 105
Next, find the equivalent fraction of both fractional numbers with denominator 105 - For the 1st fraction, since 15 × 7 = 105,
3/15 = 3 × 7/15 × 7 = 21/105 - Likewise, for the 2nd fraction, since 35 × 3 = 105,
8/35 = 8 × 3/35 × 3 = 24/105 - Add the two like fractions:
21/105 + 24/105 = 21 + 24/105 = 45/105 - 45/105 simplified gives 3/7
- So, 3/15 + 8/35 = 3/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/15+8/35 3/15+16/35 3/30+8/35 3/15+8/70 9/15+8/35 3/15+24/35 3/45+8/35 3/15+40/35 3/75+8/35 21/15+8/35 3/15+56/35