Add 45/15 and 63/25
1st number: 3 0/15, 2nd number: 2 13/25
45/15 + 63/25 is 138/25.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 25 is 75
Next, find the equivalent fraction of both fractional numbers with denominator 75 - For the 1st fraction, since 15 × 5 = 75,
45/15 = 45 × 5/15 × 5 = 225/75 - Likewise, for the 2nd fraction, since 25 × 3 = 75,
63/25 = 63 × 3/25 × 3 = 189/75 - Add the two like fractions:
225/75 + 189/75 = 225 + 189/75 = 414/75 - 414/75 simplified gives 138/25
- So, 45/15 + 63/25 = 138/25
In mixed form: 513/25
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/15+63/25 45/30+63/25 45/15+63/50 45/15+63/75 45/75+63/25