Add 16/10 and 6/21
1st number: 1 6/10, 2nd number: 6/21
16/10 + 6/21 is 66/35.
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,
16/10 = 16 × 21/10 × 21 = 336/210 - Likewise, for the 2nd fraction, since 21 × 10 = 210,
6/21 = 6 × 10/21 × 10 = 60/210 - Add the two like fractions:
336/210 + 60/210 = 336 + 60/210 = 396/210 - 396/210 simplified gives 66/35
- So, 16/10 + 6/21 = 66/35
In mixed form: 131/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 32/10+6/21 16/10+12/21 16/20+6/21 16/10+6/42 48/10+6/21 16/10+18/21 16/30+6/21 16/10+6/63 80/10+6/21 16/10+30/21 16/50+6/21 16/10+42/21 16/70+6/21