Add 8/36 and 8/20
8/36 + 8/20 is 28/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 20 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 36 × 5 = 180,
8/36 = 8 × 5/36 × 5 = 40/180 - Likewise, for the 2nd fraction, since 20 × 9 = 180,
8/20 = 8 × 9/20 × 9 = 72/180 - Add the two like fractions:
40/180 + 72/180 = 40 + 72/180 = 112/180 - 112/180 simplified gives 28/45
- So, 8/36 + 8/20 = 28/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/36+8/20 8/36+16/20 8/72+8/20 8/36+8/40 24/36+8/20 8/36+24/20 8/36+8/60 40/36+8/20 8/36+40/20 56/36+8/20 8/36+56/20