Add 12/20 and 18/32
12/20 + 18/32 is 93/80.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 32 is 160
Next, find the equivalent fraction of both fractional numbers with denominator 160 - For the 1st fraction, since 20 × 8 = 160,
12/20 = 12 × 8/20 × 8 = 96/160 - Likewise, for the 2nd fraction, since 32 × 5 = 160,
18/32 = 18 × 5/32 × 5 = 90/160 - Add the two like fractions:
96/160 + 90/160 = 96 + 90/160 = 186/160 - 186/160 simplified gives 93/80
- So, 12/20 + 18/32 = 93/80
In mixed form: 113/80
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/20+18/32 12/20+36/32 12/40+18/32 12/20+18/64 36/20+18/32 12/20+54/32 12/60+18/32 12/20+18/96 60/20+18/32 12/20+90/32 84/20+18/32