Add 1/15 and 10/42
1/15 + 10/42 is 32/105.
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,
1/15 = 1 × 14/15 × 14 = 14/210 - Likewise, for the 2nd fraction, since 42 × 5 = 210,
10/42 = 10 × 5/42 × 5 = 50/210 - Add the two like fractions:
14/210 + 50/210 = 14 + 50/210 = 64/210 - 64/210 simplified gives 32/105
- So, 1/15 + 10/42 = 32/105
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/15+10/42 1/15+20/42 1/30+10/42 1/15+10/84 3/15+10/42 1/15+30/42 1/45+10/42 5/15+10/42 1/15+50/42 1/75+10/42 7/15+10/42 1/15+70/42