Add 6/15 and 12/42
6/15 + 12/42 is 24/35.
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,
6/15 = 6 × 14/15 × 14 = 84/210 - Likewise, for the 2nd fraction, since 42 × 5 = 210,
12/42 = 12 × 5/42 × 5 = 60/210 - Add the two like fractions:
84/210 + 60/210 = 84 + 60/210 = 144/210 - 144/210 simplified gives 24/35
- So, 6/15 + 12/42 = 24/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/15+12/42 6/15+24/42 6/30+12/42 6/15+12/84 18/15+12/42 6/15+36/42 6/45+12/42 30/15+12/42 6/15+60/42 6/75+12/42 42/15+12/42 6/15+84/42