Add 45/6 and 72/15
1st number: 7 3/6, 2nd number: 4 12/15
45/6 + 72/15 is 123/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 15 is 30
Next, find the equivalent fraction of both fractional numbers with denominator 30 - For the 1st fraction, since 6 × 5 = 30,
45/6 = 45 × 5/6 × 5 = 225/30 - Likewise, for the 2nd fraction, since 15 × 2 = 30,
72/15 = 72 × 2/15 × 2 = 144/30 - Add the two like fractions:
225/30 + 144/30 = 225 + 144/30 = 369/30 - 369/30 simplified gives 123/10
- So, 45/6 + 72/15 = 123/10
In mixed form: 123/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/6+72/15 45/12+72/15 45/6+72/30 45/18+72/15 45/6+72/45 45/30+72/15 45/6+72/75 45/42+72/15