Add 16/10 and 10/21
1st number: 1 6/10, 2nd number: 10/21
16/10 + 10/21 is 218/105.
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,
10/21 = 10 × 10/21 × 10 = 100/210 - Add the two like fractions:
336/210 + 100/210 = 336 + 100/210 = 436/210 - 436/210 simplified gives 218/105
- So, 16/10 + 10/21 = 218/105
In mixed form: 28/105
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 32/10+10/21 16/10+20/21 16/20+10/21 16/10+10/42 48/10+10/21 16/10+30/21 16/30+10/21 16/10+10/63 80/10+10/21 16/10+50/21 16/50+10/21 16/10+70/21 16/70+10/21