Add 72/6 and 3/45
1st number: 12 0/6, 2nd number: 3/45
72/6 + 3/45 is 181/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 45 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 6 × 15 = 90,
72/6 = 72 × 15/6 × 15 = 1080/90 - Likewise, for the 2nd fraction, since 45 × 2 = 90,
3/45 = 3 × 2/45 × 2 = 6/90 - Add the two like fractions:
1080/90 + 6/90 = 1080 + 6/90 = 1086/90 - 1086/90 simplified gives 181/15
- So, 72/6 + 3/45 = 181/15
In mixed form: 121/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/6+6/45 72/12+3/45 72/6+3/90 72/6+9/45 72/18+3/45 72/6+15/45 72/30+3/45 72/6+21/45 72/42+3/45