Add 10/84 and 45/72
10/84 + 45/72 is 125/168.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 72 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 84 × 6 = 504,
10/84 = 10 × 6/84 × 6 = 60/504 - Likewise, for the 2nd fraction, since 72 × 7 = 504,
45/72 = 45 × 7/72 × 7 = 315/504 - Add the two like fractions:
60/504 + 315/504 = 60 + 315/504 = 375/504 - 375/504 simplified gives 125/168
- So, 10/84 + 45/72 = 125/168
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/84+45/72 10/84+90/72 30/84+45/72 50/84+45/72 70/84+45/72