Add 2/72 and 20/30
2/72 + 20/30 is 25/36.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 30 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 72 × 5 = 360,
2/72 = 2 × 5/72 × 5 = 10/360 - Likewise, for the 2nd fraction, since 30 × 12 = 360,
20/30 = 20 × 12/30 × 12 = 240/360 - Add the two like fractions:
10/360 + 240/360 = 10 + 240/360 = 250/360 - 250/360 simplified gives 25/36
- So, 2/72 + 20/30 = 25/36
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/72+20/30 2/72+40/30 2/72+20/60 6/72+20/30 2/72+60/30 2/72+20/90 10/72+20/30 14/72+20/30