Add 9/42 and 14/15
9/42 + 14/15 is 241/210.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 15 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 42 × 5 = 210,
9/42 = 9 × 5/42 × 5 = 45/210 - Likewise, for the 2nd fraction, since 15 × 14 = 210,
14/15 = 14 × 14/15 × 14 = 196/210 - Add the two like fractions:
45/210 + 196/210 = 45 + 196/210 = 241/210 - So, 9/42 + 14/15 = 241/210
In mixed form: 131/210
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/42+14/15 9/42+28/15 9/84+14/15 9/42+14/30 27/42+14/15 9/42+42/15 9/42+14/45 45/42+14/15 9/42+70/15 9/42+14/75 63/42+14/15 9/42+98/15