Add 9/84 and 20/24
9/84 + 20/24 is 79/84.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 24 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 84 × 2 = 168,
9/84 = 9 × 2/84 × 2 = 18/168 - Likewise, for the 2nd fraction, since 24 × 7 = 168,
20/24 = 20 × 7/24 × 7 = 140/168 - Add the two like fractions:
18/168 + 140/168 = 18 + 140/168 = 158/168 - 158/168 simplified gives 79/84
- So, 9/84 + 20/24 = 79/84
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/84+20/24 9/84+40/24 9/84+20/48 27/84+20/24 9/84+60/24 9/84+20/72 45/84+20/24 63/84+20/24