Add 10/72 and 9/10
10/72 + 9/10 is 187/180.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 10 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 72 × 5 = 360,
10/72 = 10 × 5/72 × 5 = 50/360 - Likewise, for the 2nd fraction, since 10 × 36 = 360,
9/10 = 9 × 36/10 × 36 = 324/360 - Add the two like fractions:
50/360 + 324/360 = 50 + 324/360 = 374/360 - 374/360 simplified gives 187/180
- So, 10/72 + 9/10 = 187/180
In mixed form: 17/180
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/72+9/10 10/72+18/10 10/72+9/20 30/72+9/10 10/72+27/10 10/72+9/30 50/72+9/10 10/72+45/10 10/72+9/50 70/72+9/10 10/72+63/10 10/72+9/70