Add 24/2 and 8/21
1st number: 12 0/2, 2nd number: 8/21
24/2 + 8/21 is 260/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 21 is 42
Next, find the equivalent fraction of both fractional numbers with denominator 42 - For the 1st fraction, since 2 × 21 = 42,
24/2 = 24 × 21/2 × 21 = 504/42 - Likewise, for the 2nd fraction, since 21 × 2 = 42,
8/21 = 8 × 2/21 × 2 = 16/42 - Add the two like fractions:
504/42 + 16/42 = 504 + 16/42 = 520/42 - 520/42 simplified gives 260/21
- So, 24/2 + 8/21 = 260/21
In mixed form: 128/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 48/2+8/21 24/2+16/21 24/4+8/21 24/2+8/42 72/2+8/21 24/2+24/21 24/6+8/21 24/2+8/63 24/2+40/21 24/10+8/21 24/2+56/21 24/14+8/21