Add 24/84 and 5/21
24/84 + 5/21 is 11/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 21 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 84 × 1 = 84,
24/84 = 24 × 1/84 × 1 = 24/84 - Likewise, for the 2nd fraction, since 21 × 4 = 84,
5/21 = 5 × 4/21 × 4 = 20/84 - Add the two like fractions:
24/84 + 20/84 = 24 + 20/84 = 44/84 - 44/84 simplified gives 11/21
- So, 24/84 + 5/21 = 11/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 48/84+5/21 24/84+10/21 24/84+5/42 72/84+5/21 24/84+15/21 24/84+5/63 24/84+25/21 24/84+35/21