Add 12/36 and 15/40
12/36 + 15/40 is 17/24.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 40 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 36 × 10 = 360,
12/36 = 12 × 10/36 × 10 = 120/360 - Likewise, for the 2nd fraction, since 40 × 9 = 360,
15/40 = 15 × 9/40 × 9 = 135/360 - Add the two like fractions:
120/360 + 135/360 = 120 + 135/360 = 255/360 - 255/360 simplified gives 17/24
- So, 12/36 + 15/40 = 17/24
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/36+15/40 12/36+30/40 12/72+15/40 12/36+15/80 12/36+45/40 60/36+15/40 12/36+75/40 84/36+15/40