Add 8/2 and 24/21
1st number: 4 0/2, 2nd number: 1 3/21
8/2 + 24/21 is 36/7.
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,
8/2 = 8 × 21/2 × 21 = 168/42 - Likewise, for the 2nd fraction, since 21 × 2 = 42,
24/21 = 24 × 2/21 × 2 = 48/42 - Add the two like fractions:
168/42 + 48/42 = 168 + 48/42 = 216/42 - 216/42 simplified gives 36/7
- So, 8/2 + 24/21 = 36/7
In mixed form: 51/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/2+24/21 8/2+48/21 8/4+24/21 8/2+24/42 24/2+24/21 8/2+72/21 8/6+24/21 8/2+24/63 40/2+24/21 8/10+24/21 56/2+24/21 8/14+24/21