Add 2/15 and 16/21
2/15 + 16/21 is 94/105.
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,
2/15 = 2 × 7/15 × 7 = 14/105 - Likewise, for the 2nd fraction, since 21 × 5 = 105,
16/21 = 16 × 5/21 × 5 = 80/105 - Add the two like fractions:
14/105 + 80/105 = 14 + 80/105 = 94/105 - So, 2/15 + 16/21 = 94/105
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/15+16/21 2/15+32/21 2/30+16/21 2/15+16/42 6/15+16/21 2/15+48/21 2/45+16/21 2/15+16/63 10/15+16/21 2/15+80/21 2/75+16/21 14/15+16/21