Add 45/18 and 25/4
1st number: 2 9/18, 2nd number: 6 1/4
45/18 + 25/4 is 35/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 4 is 36
Next, find the equivalent fraction of both fractional numbers with denominator 36 - For the 1st fraction, since 18 × 2 = 36,
45/18 = 45 × 2/18 × 2 = 90/36 - Likewise, for the 2nd fraction, since 4 × 9 = 36,
25/4 = 25 × 9/4 × 9 = 225/36 - Add the two like fractions:
90/36 + 225/36 = 90 + 225/36 = 315/36 - 315/36 simplified gives 35/4
- So, 45/18 + 25/4 = 35/4
In mixed form: 83/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/18+25/4 45/18+50/4 45/36+25/4 45/18+25/8 45/18+75/4 45/54+25/4 45/18+25/12 45/90+25/4 45/18+25/20 45/18+25/28