Add 9/84 and 5/60
9/84 + 5/60 is 4/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 60 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 84 × 5 = 420,
9/84 = 9 × 5/84 × 5 = 45/420 - Likewise, for the 2nd fraction, since 60 × 7 = 420,
5/60 = 5 × 7/60 × 7 = 35/420 - Add the two like fractions:
45/420 + 35/420 = 45 + 35/420 = 80/420 - 80/420 simplified gives 4/21
- So, 9/84 + 5/60 = 4/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/84+5/60 9/84+10/60 27/84+5/60 9/84+15/60 45/84+5/60 9/84+25/60 63/84+5/60 9/84+35/60