Add 12/32 and 36/90
12/32 + 36/90 is 31/40.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 32 and 90 is 1440
Next, find the equivalent fraction of both fractional numbers with denominator 1440 - For the 1st fraction, since 32 × 45 = 1440,
12/32 = 12 × 45/32 × 45 = 540/1440 - Likewise, for the 2nd fraction, since 90 × 16 = 1440,
36/90 = 36 × 16/90 × 16 = 576/1440 - Add the two like fractions:
540/1440 + 576/1440 = 540 + 576/1440 = 1116/1440 - 1116/1440 simplified gives 31/40
- So, 12/32 + 36/90 = 31/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/32+36/90 12/32+72/90 12/64+36/90 36/32+36/90 12/96+36/90 60/32+36/90 84/32+36/90