Add 15/80 and 4/36
15/80 + 4/36 is 43/144.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 36 is 720
Next, find the equivalent fraction of both fractional numbers with denominator 720 - For the 1st fraction, since 80 × 9 = 720,
15/80 = 15 × 9/80 × 9 = 135/720 - Likewise, for the 2nd fraction, since 36 × 20 = 720,
4/36 = 4 × 20/36 × 20 = 80/720 - Add the two like fractions:
135/720 + 80/720 = 135 + 80/720 = 215/720 - 215/720 simplified gives 43/144
- So, 15/80 + 4/36 = 43/144
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/80+4/36 15/80+8/36 15/80+4/72 45/80+4/36 15/80+12/36 75/80+4/36 15/80+20/36 15/80+28/36