Add 14/10 and 21/15
1st number: 1 4/10, 2nd number: 1 6/15
14/10 + 21/15 is 14/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 15 is 30
Next, find the equivalent fraction of both fractional numbers with denominator 30 - For the 1st fraction, since 10 × 3 = 30,
14/10 = 14 × 3/10 × 3 = 42/30 - Likewise, for the 2nd fraction, since 15 × 2 = 30,
21/15 = 21 × 2/15 × 2 = 42/30 - Add the two like fractions:
42/30 + 42/30 = 42 + 42/30 = 84/30 - 84/30 simplified gives 14/5
- So, 14/10 + 21/15 = 14/5
In mixed form: 24/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 28/10+21/15 14/10+42/15 14/20+21/15 14/10+21/30 42/10+21/15 14/10+63/15 14/30+21/15 14/10+21/45 70/10+21/15 14/50+21/15 14/10+21/75 98/10+21/15 14/70+21/15