Add 18/72 and 63/60
1st number: 18/72, 2nd number: 1 3/60
18/72 + 63/60 is 13/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 60 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 72 × 5 = 360,
18/72 = 18 × 5/72 × 5 = 90/360 - Likewise, for the 2nd fraction, since 60 × 6 = 360,
63/60 = 63 × 6/60 × 6 = 378/360 - Add the two like fractions:
90/360 + 378/360 = 90 + 378/360 = 468/360 - 468/360 simplified gives 13/10
- So, 18/72 + 63/60 = 13/10
In mixed form: 13/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/72+63/60 54/72+63/60 90/72+63/60