Add 12/60 and 20/72
12/60 + 20/72 is 43/90.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 72 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 60 × 6 = 360,
12/60 = 12 × 6/60 × 6 = 72/360 - Likewise, for the 2nd fraction, since 72 × 5 = 360,
20/72 = 20 × 5/72 × 5 = 100/360 - Add the two like fractions:
72/360 + 100/360 = 72 + 100/360 = 172/360 - 172/360 simplified gives 43/90
- So, 12/60 + 20/72 = 43/90
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/60+20/72 12/60+40/72 36/60+20/72 12/60+60/72 84/60+20/72