Add 2/15 and 3/42
2/15 + 3/42 is 43/210.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 42 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 15 × 14 = 210,
2/15 = 2 × 14/15 × 14 = 28/210 - Likewise, for the 2nd fraction, since 42 × 5 = 210,
3/42 = 3 × 5/42 × 5 = 15/210 - Add the two like fractions:
28/210 + 15/210 = 28 + 15/210 = 43/210 - So, 2/15 + 3/42 = 43/210
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/15+3/42 2/15+6/42 2/30+3/42 2/15+3/84 6/15+3/42 2/15+9/42 2/45+3/42 10/15+3/42 2/15+15/42 2/75+3/42 14/15+3/42 2/15+21/42