Add 72/18 and 63/6
1st number: 4 0/18, 2nd number: 10 3/6
72/18 + 63/6 is 29/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 6 is 18
Next, find the equivalent fraction of both fractional numbers with denominator 18 - For the 1st fraction, since 18 × 1 = 18,
72/18 = 72 × 1/18 × 1 = 72/18 - Likewise, for the 2nd fraction, since 6 × 3 = 18,
63/6 = 63 × 3/6 × 3 = 189/18 - Add the two like fractions:
72/18 + 189/18 = 72 + 189/18 = 261/18 - 261/18 simplified gives 29/2
- So, 72/18 + 63/6 = 29/2
In mixed form: 141/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/36+63/6 72/18+63/12 72/54+63/6 72/18+63/18 72/90+63/6 72/18+63/30 72/18+63/42