Add 24/6 and 84/21
1st number: 4 0/6, 2nd number: 4 0/21
24/6 + 84/21 is 8/1.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 21 is 42
Next, find the equivalent fraction of both fractional numbers with denominator 42 - For the 1st fraction, since 6 × 7 = 42,
24/6 = 24 × 7/6 × 7 = 168/42 - Likewise, for the 2nd fraction, since 21 × 2 = 42,
84/21 = 84 × 2/21 × 2 = 168/42 - Add the two like fractions:
168/42 + 168/42 = 168 + 168/42 = 336/42 - 336/42 simplified gives 8/1
- So, 24/6 + 84/21 = 8/1
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 48/6+84/21 24/12+84/21 24/6+84/42 72/6+84/21 24/18+84/21 24/6+84/63 24/30+84/21 24/42+84/21