Add 3/2 and 12/80
1st number: 1 1/2, 2nd number: 12/80
3/2 + 12/80 is 33/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 80 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 2 × 40 = 80,
3/2 = 3 × 40/2 × 40 = 120/80 - Likewise, for the 2nd fraction, since 80 × 1 = 80,
12/80 = 12 × 1/80 × 1 = 12/80 - Add the two like fractions:
120/80 + 12/80 = 120 + 12/80 = 132/80 - 132/80 simplified gives 33/20
- So, 3/2 + 12/80 = 33/20
In mixed form: 113/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/2+12/80 3/2+24/80 3/4+12/80 9/2+12/80 3/2+36/80 3/6+12/80 15/2+12/80 3/2+60/80 3/10+12/80 21/2+12/80 3/2+84/80 3/14+12/80