Add 75/80 and 36/12
1st number: 75/80, 2nd number: 3 0/12
75/80 + 36/12 is 63/16.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 12 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 80 × 3 = 240,
75/80 = 75 × 3/80 × 3 = 225/240 - Likewise, for the 2nd fraction, since 12 × 20 = 240,
36/12 = 36 × 20/12 × 20 = 720/240 - Add the two like fractions:
225/240 + 720/240 = 225 + 720/240 = 945/240 - 945/240 simplified gives 63/16
- So, 75/80 + 36/12 = 63/16
In mixed form: 315/16
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 75/80+72/12 75/80+36/24 75/80+36/60 75/80+36/84