Add 16/21 and 40/10
1st number: 16/21, 2nd number: 4 0/10
16/21 + 40/10 is 100/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 10 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 21 × 10 = 210,
16/21 = 16 × 10/21 × 10 = 160/210 - Likewise, for the 2nd fraction, since 10 × 21 = 210,
40/10 = 40 × 21/10 × 21 = 840/210 - Add the two like fractions:
160/210 + 840/210 = 160 + 840/210 = 1000/210 - 1000/210 simplified gives 100/21
- So, 16/21 + 40/10 = 100/21
In mixed form: 416/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 32/21+40/10 16/21+80/10 16/42+40/10 16/21+40/20 48/21+40/10 16/63+40/10 16/21+40/30 80/21+40/10 16/21+40/50 16/21+40/70