Add 27/10 and 14/21
1st number: 2 7/10, 2nd number: 14/21
27/10 + 14/21 is 101/30.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 21 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 10 × 21 = 210,
27/10 = 27 × 21/10 × 21 = 567/210 - Likewise, for the 2nd fraction, since 21 × 10 = 210,
14/21 = 14 × 10/21 × 10 = 140/210 - Add the two like fractions:
567/210 + 140/210 = 567 + 140/210 = 707/210 - 707/210 simplified gives 101/30
- So, 27/10 + 14/21 = 101/30
In mixed form: 311/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/10+14/21 27/10+28/21 27/20+14/21 27/10+14/42 81/10+14/21 27/10+42/21 27/30+14/21 27/10+14/63 27/10+70/21 27/50+14/21 27/10+98/21 27/70+14/21