Add 15/12 and 20/32
1st number: 1 3/12, 2nd number: 20/32
15/12 + 20/32 is 15/8.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 32 is 96
Next, find the equivalent fraction of both fractional numbers with denominator 96 - For the 1st fraction, since 12 × 8 = 96,
15/12 = 15 × 8/12 × 8 = 120/96 - Likewise, for the 2nd fraction, since 32 × 3 = 96,
20/32 = 20 × 3/32 × 3 = 60/96 - Add the two like fractions:
120/96 + 60/96 = 120 + 60/96 = 180/96 - 180/96 simplified gives 15/8
- So, 15/12 + 20/32 = 15/8
In mixed form: 17/8
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/12+20/32 15/12+40/32 15/24+20/32 15/12+20/64 45/12+20/32 15/12+60/32 15/36+20/32 15/12+20/96 75/12+20/32 15/60+20/32 15/84+20/32