Add 45/5 and 15/12
1st number: 9 0/5, 2nd number: 1 3/12
45/5 + 15/12 is 41/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 12 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 5 × 12 = 60,
45/5 = 45 × 12/5 × 12 = 540/60 - Likewise, for the 2nd fraction, since 12 × 5 = 60,
15/12 = 15 × 5/12 × 5 = 75/60 - Add the two like fractions:
540/60 + 75/60 = 540 + 75/60 = 615/60 - 615/60 simplified gives 41/4
- So, 45/5 + 15/12 = 41/4
In mixed form: 101/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/5+15/12 45/5+30/12 45/10+15/12 45/5+15/24 45/5+45/12 45/15+15/12 45/5+15/36 45/5+75/12 45/25+15/12 45/5+15/60 45/35+15/12 45/5+15/84