Add 40/18 and 12/32
1st number: 2 4/18, 2nd number: 12/32
40/18 + 12/32 is 187/72.
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,
40/18 = 40 × 16/18 × 16 = 640/288 - Likewise, for the 2nd fraction, since 32 × 9 = 288,
12/32 = 12 × 9/32 × 9 = 108/288 - Add the two like fractions:
640/288 + 108/288 = 640 + 108/288 = 748/288 - 748/288 simplified gives 187/72
- So, 40/18 + 12/32 = 187/72
In mixed form: 243/72
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/18+12/32 40/18+24/32 40/36+12/32 40/18+12/64 40/18+36/32 40/54+12/32 40/18+12/96 40/18+60/32 40/90+12/32 40/18+84/32