Add 36/54 and 20/15
1st number: 36/54, 2nd number: 1 5/15
36/54 + 20/15 is 2/1.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 15 is 270
Next, find the equivalent fraction of both fractional numbers with denominator 270 - For the 1st fraction, since 54 × 5 = 270,
36/54 = 36 × 5/54 × 5 = 180/270 - Likewise, for the 2nd fraction, since 15 × 18 = 270,
20/15 = 20 × 18/15 × 18 = 360/270 - Add the two like fractions:
180/270 + 360/270 = 180 + 360/270 = 540/270 - 540/270 simplified gives 2/1
- So, 36/54 + 20/15 = 2/1
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/54+20/15 36/54+40/15 36/54+20/30 36/54+60/15 36/54+20/45 36/54+20/75