Add 15/90 and 36/80
15/90 + 36/80 is 37/60.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 80 is 720
Next, find the equivalent fraction of both fractional numbers with denominator 720 - For the 1st fraction, since 90 × 8 = 720,
15/90 = 15 × 8/90 × 8 = 120/720 - Likewise, for the 2nd fraction, since 80 × 9 = 720,
36/80 = 36 × 9/80 × 9 = 324/720 - Add the two like fractions:
120/720 + 324/720 = 120 + 324/720 = 444/720 - 444/720 simplified gives 37/60
- So, 15/90 + 36/80 = 37/60
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/90+36/80 15/90+72/80 45/90+36/80 75/90+36/80