Add 15/36 and 90/80
1st number: 15/36, 2nd number: 1 10/80
15/36 + 90/80 is 37/24.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 80 is 720
Next, find the equivalent fraction of both fractional numbers with denominator 720 - For the 1st fraction, since 36 × 20 = 720,
15/36 = 15 × 20/36 × 20 = 300/720 - Likewise, for the 2nd fraction, since 80 × 9 = 720,
90/80 = 90 × 9/80 × 9 = 810/720 - Add the two like fractions:
300/720 + 810/720 = 300 + 810/720 = 1110/720 - 1110/720 simplified gives 37/24
- So, 15/36 + 90/80 = 37/24
In mixed form: 113/24
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/36+90/80 15/72+90/80 45/36+90/80 75/36+90/80