Add 8/15 and 6/42
8/15 + 6/42 is 71/105.
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,
8/15 = 8 × 14/15 × 14 = 112/210 - Likewise, for the 2nd fraction, since 42 × 5 = 210,
6/42 = 6 × 5/42 × 5 = 30/210 - Add the two like fractions:
112/210 + 30/210 = 112 + 30/210 = 142/210 - 142/210 simplified gives 71/105
- So, 8/15 + 6/42 = 71/105
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/15+6/42 8/15+12/42 8/30+6/42 8/15+6/84 24/15+6/42 8/15+18/42 8/45+6/42 40/15+6/42 8/15+30/42 8/75+6/42 56/15+6/42