Add 9/4 and 36/80
1st number: 2 1/4, 2nd number: 36/80
9/4 + 36/80 is 27/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 80 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 4 × 20 = 80,
9/4 = 9 × 20/4 × 20 = 180/80 - Likewise, for the 2nd fraction, since 80 × 1 = 80,
36/80 = 36 × 1/80 × 1 = 36/80 - Add the two like fractions:
180/80 + 36/80 = 180 + 36/80 = 216/80 - 216/80 simplified gives 27/10
- So, 9/4 + 36/80 = 27/10
In mixed form: 27/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/4+36/80 9/4+72/80 9/8+36/80 27/4+36/80 9/12+36/80 45/4+36/80 9/20+36/80 63/4+36/80 9/28+36/80