Add 9/36 and 12/40
9/36 + 12/40 is 11/20.
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,
9/36 = 9 × 10/36 × 10 = 90/360 - Likewise, for the 2nd fraction, since 40 × 9 = 360,
12/40 = 12 × 9/40 × 9 = 108/360 - Add the two like fractions:
90/360 + 108/360 = 90 + 108/360 = 198/360 - 198/360 simplified gives 11/20
- So, 9/36 + 12/40 = 11/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/36+12/40 9/36+24/40 9/72+12/40 9/36+12/80 27/36+12/40 9/36+36/40 45/36+12/40 9/36+60/40 63/36+12/40 9/36+84/40