Add 45/18 and 84/32
1st number: 2 9/18, 2nd number: 2 20/32
45/18 + 84/32 is 41/8.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 32 is 288
Next, find the equivalent fraction of both fractional numbers with denominator 288 - For the 1st fraction, since 18 × 16 = 288,
45/18 = 45 × 16/18 × 16 = 720/288 - Likewise, for the 2nd fraction, since 32 × 9 = 288,
84/32 = 84 × 9/32 × 9 = 756/288 - Add the two like fractions:
720/288 + 756/288 = 720 + 756/288 = 1476/288 - 1476/288 simplified gives 41/8
- So, 45/18 + 84/32 = 41/8
In mixed form: 51/8
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/18+84/32 45/36+84/32 45/18+84/64 45/54+84/32 45/18+84/96 45/90+84/32